@article{FassbenderMoessleVogler1996, author = {Faßbender, Heinz and M{\"o}ßle, Andrea and Vogler, Heiko}, title = {Implementation of a deterministic partial e-unification algorithm for macro tree transducers}, series = {Journal of functional and logic programming. 1996 (1996), H. 2}, journal = {Journal of functional and logic programming. 1996 (1996), H. 2}, isbn = {1080-5230}, year = {1996}, language = {en} } @article{Fassbender2001, author = {Faßbender, Heinz}, title = {Reengineering an Ada95-programmed command and control information system by using UML}, series = {Proceedings : September 30 - October 4, 2001, Twin Cities, Best Western The Thunderbird Hotel \& Convention Center, Bloomington, MN, USA / ACM SIGAda Annual International Conference (SIGAda 2001)}, journal = {Proceedings : September 30 - October 4, 2001, Twin Cities, Best Western The Thunderbird Hotel \& Convention Center, Bloomington, MN, USA / ACM SIGAda Annual International Conference (SIGAda 2001)}, publisher = {ACM}, address = {New York, NY}, isbn = {1-58113-392-8}, pages = {53 -- 60}, year = {2001}, language = {en} } @article{FassbenderManeth1998, author = {Faßbender, Heinz and Maneth, Sebastian}, title = {A strict border for the decidability of e-unification for recursive functions / Faßbender, Heinz ; Maneth, Sebastian}, series = {Journal of functional and logic programming. 1998 (1998), H. 4}, journal = {Journal of functional and logic programming. 1998 (1998), H. 4}, isbn = {1080-5230}, year = {1998}, language = {en} } @article{FassbenderBuehler1999, author = {Faßbender, Heinz and B{\"u}hler, Gerhard}, title = {Making a C2 information system platform independent by using internet and middleware technologies}, series = {Proceedings of the 1999 Command and Control Research and Technology Symposium, Juni 1999, Newport, USA}, journal = {Proceedings of the 1999 Command and Control Research and Technology Symposium, Juni 1999, Newport, USA}, pages = {1 -- 11}, year = {1999}, language = {en} } @article{FassbenderBuehler2000, author = {Faßbender, Heinz and B{\"u}hler, Gerhard}, title = {The join of a geographical situation display system and a platform independent C2 information system}, series = {Proceedings of the 2000 Command and Control Research and Technology Symposium, Juni 2000, Monterey, USA}, journal = {Proceedings of the 2000 Command and Control Research and Technology Symposium, Juni 2000, Monterey, USA}, pages = {1 -- 7}, year = {2000}, language = {en} } @article{FassbenderBuehler2001, author = {Faßbender, Heinz and B{\"u}hler, Gerhard}, title = {Modelling command and control information systems by UML}, series = {Proceedings of the Information Systems Technology Panel Symposium / Information Management Challenges in Achieving Coalition Interoperability, Mai 2001, Quebec City, Kanada}, journal = {Proceedings of the Information Systems Technology Panel Symposium / Information Management Challenges in Achieving Coalition Interoperability, Mai 2001, Quebec City, Kanada}, pages = {7-1 -- 7-9}, year = {2001}, language = {en} } @article{FassbenderBuehler2002, author = {Faßbender, Heinz and B{\"u}hler, Gerhard}, title = {An experimental command and control information system based on Enterprise Java bean technology}, series = {Proceedings of the 7th International Command and Control Research and Technology Symposium, September 2002, Quebec City, Kanada}, journal = {Proceedings of the 7th International Command and Control Research and Technology Symposium, September 2002, Quebec City, Kanada}, pages = {1 -- 8}, year = {2002}, language = {en} } @article{FassbenderVogler1991, author = {Faßbender, Heinz and Vogler, Heiko}, title = {A narrowing machine for the functional logic language BABEL, restricted to primitive recursion : abstract}, series = {Granada Workshop on the Integration of Functional and Logic Programming / Granada Workshop on the Integration of Functional and Logic Programming <1990>. K. Indermark ... (ed.)}, journal = {Granada Workshop on the Integration of Functional and Logic Programming / Granada Workshop on the Integration of Functional and Logic Programming <1990>. K. Indermark ... (ed.)}, publisher = {RWTH, Fachgruppe Informatik}, address = {Aachen}, pages = {95 -- 96}, year = {1991}, language = {en} } @article{KrauseRodriguezStopicetal.2007, author = {Krause, Gregor and Rodriguez, Jackson and Stopic, Srecko and Friedrich, Bernd}, title = {Feasibility assessment of electrocoagulation towards a new sustainable wastewater treatment / Rodriguez, Jackson ; Stopic, Srecko ; Krause Gregor ; Friedrich, Bernd}, series = {Environmental Science and Pollution Research. 14 (2007), H. 7}, journal = {Environmental Science and Pollution Research. 14 (2007), H. 7}, isbn = {0944-1344}, pages = {477 -- 482}, year = {2007}, language = {en} } @book{Wosnitza1976, author = {Wosnitza, Franz}, title = {Bau eines HF-Empfangsteiles, Bild-Ton-ZF-Verst{\"a}rkers und Demodulators, sowie eines Bildtr{\"a}gertonempfangsteiles f{\"u}r Schmalbandfernsehen f{\"u}r den ATV-Fernsehumsetzer DK 0 HJ / Betreuer: Erich Vogelsang}, year = {1976}, language = {de} } @book{Wosnitza1980, author = {Wosnitza, Franz}, title = {Freifeldmessungen an Violinen und geh{\"o}rgem{\"a}ße Bewertungen ihrer Frequenzen}, year = {1980}, language = {de} } @article{ZastrowRieder1980, author = {Zastrow, Udo and Rieder, G.}, title = {Zur Eingrenzung der Eigenfrequenzen eines station{\"a}r schwingenden elastischen K{\"o}rpers mittels Integralgleichungen}, series = {ZAMM - Zeitschrift f{\"u}r angewandte Mathematik und Mechanik. 60 (1980), H. 6}, journal = {ZAMM - Zeitschrift f{\"u}r angewandte Mathematik und Mechanik. 60 (1980), H. 6}, isbn = {1521-4001}, pages = {T149 -- T150}, year = {1980}, language = {de} } @article{ZastrowGreuelWeisse1991, author = {Zastrow, Udo and Greuel, M. and Weiße, Felicitas}, title = {Das Kawabata-Meßger{\"a}te- und Berechnungssystem: Der Griff eines Gewebes - subjektive Beurteilung und objektive Messung, Teil 1}, series = {Bekleidung + W{\"a}sche, Bekleidung + Maschenware : Zeitschrift f{\"u}r die gesamte Bekleidungsindustrie. 43 (1991), H. 4}, journal = {Bekleidung + W{\"a}sche, Bekleidung + Maschenware : Zeitschrift f{\"u}r die gesamte Bekleidungsindustrie. 43 (1991), H. 4}, pages = {22 -- 25}, year = {1991}, language = {de} } @article{ZastrowGreuelWeisse1991, author = {Zastrow, Udo and Greuel, M. and Weiße, Felicitas}, title = {Das Kawabata-Meßger{\"a}te- und Berechnungssystem: Der Griff eines Gewebes - subjektive Beurteilung und objektive Messung, Teil 2}, series = {Bekleidung + W{\"a}sche, Bekleidung + Maschenware : Zeitschrift f{\"u}r die gesamte Bekleidungsindustrie. 43 (1991), H. 5}, journal = {Bekleidung + W{\"a}sche, Bekleidung + Maschenware : Zeitschrift f{\"u}r die gesamte Bekleidungsindustrie. 43 (1991), H. 5}, pages = {36 -- 45}, year = {1991}, language = {de} } @book{Wosnitza1986, author = {Wosnitza, Franz}, title = {Ein Testbarkeitsanalysemaß zur Architekturbewertung programmierbarer Schaltnetze / von Franz Wosnitza}, pages = {116 S. : Ill., graph. Darst.}, year = {1986}, language = {de} } @article{Wosnitza1987, author = {Wosnitza, Franz}, title = {Ein Testbarkeitsanalysemaß f{\"u}r den testfreundlichen Entwurf integrierter Schaltkreise auf Register-Transfer-Niveau}, series = {ITG-Fachberichte. 98 (1987)}, journal = {ITG-Fachberichte. 98 (1987)}, pages = {291 -- 295}, year = {1987}, language = {de} } @book{Wosnitza1996, author = {Wosnitza, Franz}, title = {Grundlagen elektromagnetischer Felder und Netzwerke I/2 : Analyse station{\"a}rer, linearer Str{\"o}mungsfelder und Netzwerke (Gleichstromkreis)}, publisher = {Verl. der Augustinus-Buchh.}, address = {Aachen}, isbn = {3-86073-543-8}, pages = {206 S. : graph. Darst.}, year = {1996}, language = {de} } @book{Wosnitza2003, author = {Wosnitza, Franz}, title = {Analyse station{\"a}rer, linearer Str{\"o}mungsfelder und Gleichstrom-Netzwerke}, publisher = {Mainz}, address = {Aachen}, isbn = {3-86073-546-2}, pages = {208 S. : zahlr. graph. Darst.}, year = {2003}, language = {de} } @book{Wosnitza1987, author = {Wosnitza, Franz}, title = {Werkzeuge des MIMOLA-Hardware-Entwurfssystems. / Kelle, K. ; Kr{\"u}ger, G. ; Marwedel, P. ; Nowak, L. ; Terasa, L. ; Wosnitza, F.}, publisher = {Inst., Univ.}, address = {Kiel}, pages = {187 S.}, year = {1987}, language = {de} } @article{FassbenderWedel1992, author = {Faßbender, Heinz and Wedel, Andrea}, title = {E-Unifikation mit macro tree transducer}, series = {2. Arbeitstreffen Effiziente Implementierung Funktionaler Programmiersprachen / Arbeitstreffen Effiziente Implementierung Funktionaler Programmiersprachen <2, 1992, Oberjoch>. Herbert Klaeren}, journal = {2. Arbeitstreffen Effiziente Implementierung Funktionaler Programmiersprachen / Arbeitstreffen Effiziente Implementierung Funktionaler Programmiersprachen <2, 1992, Oberjoch>. Herbert Klaeren}, publisher = {Wilhelm-Schickard-Inst. f{\"u}r Informatik, Univ.}, address = {T{\"u}bingen}, isbn = {0946-3852}, pages = {5 S.}, year = {1992}, language = {de} } @article{FassbenderVogler1994, author = {Faßbender, Heinz and Vogler, Heiko}, title = {Implementierung eines universellen Unifikationsalgorithmus f{\"u}r Macro Tree Transducer}, series = {Alternative Konzepte f{\"u}r Sprachen und Rechner : Bad Honnef 1993 / J. Ebert (Hrsg.)}, journal = {Alternative Konzepte f{\"u}r Sprachen und Rechner : Bad Honnef 1993 / J. Ebert (Hrsg.)}, publisher = {Univ., Inst. f{\"u}r Informatik}, address = {Koblenz}, pages = {151 S.}, year = {1994}, language = {de} } @article{FassbenderVoglerWedel1993, author = {Faßbender, Heinz and Vogler, Heiko and Wedel, Andrea}, title = {An abstract machine for the E-Unification with macro tree transducer}, series = {7th International Workshop on Unification : 13. 06. - 14. 06. 93 / Franz Baader ... (eds.). [Boston University, Boston, USA]}, journal = {7th International Workshop on Unification : 13. 06. - 14. 06. 93 / Franz Baader ... (eds.). [Boston University, Boston, USA]}, year = {1993}, language = {en} } @article{FassbenderBuehler2000, author = {Faßbender, Heinz and B{\"u}hler, Gerhard}, title = {Plattformunabh{\"a}ngige Verwendbarkeit eines F{\"u}hrungsinformationssystems durch den Einsatz von CORBA und Java}, series = {Proceedings zum Workshop}, journal = {Proceedings zum Workshop}, publisher = {Univ. der Bundeswehr, Fak. Informatik}, address = {Neubiberg}, year = {2000}, language = {de} } @article{Hoffmann2008, author = {Hoffmann, Ulrich}, title = {Neue Wege in die Hochschule - Beispiel des berufsbegleitenden Studienganges Prozesstechnik der FH Aachen und der Rhein-Erft Akademie}, series = {HIS: Forum Hochschule. 2008 (2008), H. F14}, journal = {HIS: Forum Hochschule. 2008 (2008), H. F14}, isbn = {1863-5563}, pages = {130 -- 138}, year = {2008}, language = {de} } @article{ZastrowRieder1980, author = {Zastrow, Udo and Rieder, G.}, title = {Bracketing eigenvalues of an oscillating elastic body by integral equations}, series = {Bracketing of eigenfrequencies of continous structures : Euromech Colloquium, no. 112, M{\´a}traf{\"u}red (Hungary), 21 - 23 February, 1979 / ed. by {\`A}. Bosznay}, journal = {Bracketing of eigenfrequencies of continous structures : Euromech Colloquium, no. 112, M{\´a}traf{\"u}red (Hungary), 21 - 23 February, 1979 / ed. by {\`A}. Bosznay}, publisher = {Akad. Kiad{\´o}}, address = {Budapest}, isbn = {963-05-2625-5}, pages = {421 -- 434}, year = {1980}, language = {en} } @book{Benkner2007, author = {Benkner, Thorsten}, title = {Grundlagen des Mobilfunks}, publisher = {Schlembach}, address = {Wilburgstetten}, isbn = {978-3-935340-44-1}, pages = {IX, 374 S.}, year = {2007}, language = {de} } @book{Lepers2007, author = {Lepers, Heinrich}, title = {SPS-Programmierung nach IEC 61131-3 : mit Beispielen f{\"u}r CoDeSys und STEP 7 / 2. Aufl.}, publisher = {Franzis}, address = {Poing}, isbn = {978-3-7723-5805-0}, pages = {350 S. : Ill., graph. Darst. + 3 CD-ROMs}, year = {2007}, language = {de} } @article{Zastrow1985, author = {Zastrow, Udo}, title = {On the complete system of fundamental solutions for anisotropic slices and slabs: A comparison by use of the slab analogy}, series = {Journal of Elasticity. 15 (1985), H. 3}, journal = {Journal of Elasticity. 15 (1985), H. 3}, isbn = {1573-2681}, pages = {293 -- 318}, year = {1985}, language = {en} } @article{ZastrowHackl1988, author = {Zastrow, Udo and Hackl, Klaus}, title = {On the existence, uniqueness and completeness of displacements and stress functions in linear elasticity / Hackl, Klaus ; Zastrow, Udo}, series = {Journal of Elasticity. 19 (1988), H. 1}, journal = {Journal of Elasticity. 19 (1988), H. 1}, isbn = {1573-2681}, pages = {3 -- 23}, year = {1988}, language = {en} } @article{Zastrow1985, author = {Zastrow, Udo}, title = {Basic geometrical singularities in plane-elasticity and plate-bending problems}, series = {International Journal of Solids and Structures. 21 (1985), H. 10}, journal = {International Journal of Solids and Structures. 21 (1985), H. 10}, isbn = {0020-7683}, pages = {1047 -- 1067}, year = {1985}, language = {en} } @article{Zastrow1985, author = {Zastrow, Udo}, title = {Numerical plane stress analysis by integral equations based on the singularity method}, series = {SM archives . 10 (1985)}, journal = {SM archives . 10 (1985)}, isbn = {0376-7426}, pages = {113 -- 128}, year = {1985}, language = {en} } @article{ZastrowPanagiotopoulos1979, author = {Zastrow, Udo and Panagiotopoulos, P. D.}, title = {An integral "Equation" approach to the unilateral contact problem}, series = {ZAMM - Zeitschrift f{\"u}r angewandte Mathematik und Mechanik. 59 (1979), H. 8}, journal = {ZAMM - Zeitschrift f{\"u}r angewandte Mathematik und Mechanik. 59 (1979), H. 8}, isbn = {1521-4001}, pages = {392 -- 393}, year = {1979}, language = {en} } @article{ZastrowRieder1976, author = {Zastrow, Udo and Rieder, G.}, title = {Eine Variante des Kraftgr{\"o}ßenverfahrens f{\"u}r ebene Rahmentragwerke}, series = {Wissenschaftliche Zeitschrift / Hochschule f{\"u}r Architektur und Bauwesen}, volume = {23}, journal = {Wissenschaftliche Zeitschrift / Hochschule f{\"u}r Architektur und Bauwesen}, number = {3}, publisher = {HAB}, address = {Weimar}, isbn = {0509-9773}, pages = {304 -- 306}, year = {1976}, language = {de} } @article{FassbenderVogler1992, author = {Faßbender, Heinz and Vogler, Heiko}, title = {An implementation of syntax directed functional programming on nested-stack machines}, series = {Formal Aspects of Computing. 4 (1992), H. 4}, journal = {Formal Aspects of Computing. 4 (1992), H. 4}, isbn = {0934-5043}, pages = {341 -- 375}, year = {1992}, language = {en} } @book{Fassbender1989, author = {Faßbender, Heinz}, title = {Implementierung der Call-by-Need Auswertungsstrategie f{\"u}r Macro Tree-to-String Transducer auf Nested-Stack Maschinen mit geschachtelten Ausgabeb{\"a}ndern}, address = {Aachen}, year = {1989}, language = {de} } @article{Fassbender1993, author = {Faßbender, Heinz}, title = {Implementation of a universal unification algorithm for macro tree transducers}, series = {Fundamentals of computation theory : proceedings / 9th International Conference, FCT '93, Szeged, Hungary, August 23 - 27, 1993. Zolt{\´a}n {\´E}sik (ed.)}, journal = {Fundamentals of computation theory : proceedings / 9th International Conference, FCT '93, Szeged, Hungary, August 23 - 27, 1993. Zolt{\´a}n {\´E}sik (ed.)}, publisher = {Springer}, address = {Berlin [u.a.]}, isbn = {3-540-57163-9}, pages = {222 -- 233}, year = {1993}, language = {en} } @article{Fassbender1995, author = {Faßbender, Heinz}, title = {Implementation of a UU-Algorithm for primitive recursive tree functions}, series = {Fundamentals of computation theory : proceedings / 10th International Conference, FCT '95, Dresden, Germany, August 22 - 25, 1995. Horst Reichel (ed.)}, journal = {Fundamentals of computation theory : proceedings / 10th International Conference, FCT '95, Dresden, Germany, August 22 - 25, 1995. Horst Reichel (ed.)}, publisher = {Springer}, address = {Berlin [u.a.]}, isbn = {3-540-60249-6}, pages = {233 -- 242}, year = {1995}, language = {en} } @article{Fassbender1995, author = {Faßbender, Heinz}, title = {A verified implementation of narrowing}, series = {Programming languages: implementations, logics and programs : proceedings / 7th International Symposium, PLILP '95, Utrecht, The Netherlands, September 20 - 22, 1995. Manuel Hermenegildo ... (ed.)}, journal = {Programming languages: implementations, logics and programs : proceedings / 7th International Symposium, PLILP '95, Utrecht, The Netherlands, September 20 - 22, 1995. Manuel Hermenegildo ... (ed.)}, publisher = {Springer}, address = {Berlin [u.a.]}, isbn = {3-540-60359-X}, pages = {63 -- 80}, year = {1995}, language = {en} } @article{FassbenderManeth1996, author = {Faßbender, Heinz and Maneth, Sebastian}, title = {A strict border for the decidability of e-unification for recursive functions / Faßbender, Heinz ; Maneth, Sebastian}, series = {Algebraic and logic programming : proceedings / 5th International Conference, ALP '96, Aachen, Germany, September 25 - 27, 1996. Michael Hanus ... (ed.)}, journal = {Algebraic and logic programming : proceedings / 5th International Conference, ALP '96, Aachen, Germany, September 25 - 27, 1996. Michael Hanus ... (ed.)}, publisher = {Springer}, address = {Berlin [u.a.]}, isbn = {3-540-61735-3}, pages = {194 -- 208}, year = {1996}, language = {en} } @article{FassbenderBuehler1999, author = {Faßbender, Heinz and B{\"u}hler, Gerhard}, title = {Applying Ada, Java and CORBA for making a command and control information system platform independent}, series = {Proceedings : (SIGAda '99) ; October 17 - 21, 1999 ; Crowne Plaza, Redondo Beach \& Marine Hotel, Redondo Beach, CA, USA / ACM SIGAda Annual International Conference}, journal = {Proceedings : (SIGAda '99) ; October 17 - 21, 1999 ; Crowne Plaza, Redondo Beach \& Marine Hotel, Redondo Beach, CA, USA / ACM SIGAda Annual International Conference}, publisher = {ACM}, address = {New York, NY}, isbn = {1-58113-127-5}, pages = {83 -- 88}, year = {1999}, language = {en} } @article{FassbenderVogler1994, author = {Faßbender, Heinz and Vogler, Heiko}, title = {A universal unification algorithm based on unification-driven leftmost outermost narrowing}, series = {Acta Cybernetica. 11 (1994), H. 3}, journal = {Acta Cybernetica. 11 (1994), H. 3}, isbn = {0324-721x}, pages = {139 -- 167}, year = {1994}, language = {en} } @article{Zastrow1978, author = {Zastrow, Udo}, title = {Zur Berechnung anisotroper Scheiben durch singul{\"a}re Integralgleichungen}, series = {ZAMM - Zeitschrift f{\"u}r Angewandte Mathematik und Mechanik.}, volume = {58}, journal = {ZAMM - Zeitschrift f{\"u}r Angewandte Mathematik und Mechanik.}, number = {6}, publisher = {Wiley-VCH}, address = {Berlin}, isbn = {1521-4001}, doi = {10.1002/zamm.19780580605}, pages = {T132 -- T133}, year = {1978}, language = {de} } @article{Zastrow1979, author = {Zastrow, Udo}, title = {Anisotrope Scheiben mit gemischten Randbedingungen}, series = {ZAMM - Zeitschrift f{\"u}r Angewandte Mathematik und Mechanik. 59 (1979), H. 5}, journal = {ZAMM - Zeitschrift f{\"u}r Angewandte Mathematik und Mechanik. 59 (1979), H. 5}, isbn = {1521-4001}, pages = {T218 -- T219}, year = {1979}, language = {de} } @article{Zastrow1980, author = {Zastrow, Udo}, title = {Die Airysche Spannungsfunktion f{\"u}r die unendliche anisotrope, orthotrope und isotrope Scheibe}, series = {ZAMM - Zeitschrift f{\"u}r Angewandte Mathematik und Mechanik. 60 (1980), H. 6}, journal = {ZAMM - Zeitschrift f{\"u}r Angewandte Mathematik und Mechanik. 60 (1980), H. 6}, isbn = {1521-4001}, pages = {T159 -- T160}, year = {1980}, language = {de} } @book{Zastrow1979, author = {Zastrow, Udo}, title = {Berechnung von anisotropen Scheiben mit gemischten Randbedingungen durch singulaere Integralgleichungen}, year = {1979}, language = {de} } @book{Zastrow1986, author = {Zastrow, Udo}, title = {Zur L{\"o}sung von Halbraumproblemen nach der Spannungsfunktionenmethode : neue u. alte Ans{\"a}tze f{\"u}r Verschiebungs- u. Spannungsfunktionen in d. r{\"a}uml. Elastizit{\"a}tstheorie}, publisher = {VDI-Berl.}, address = {D{\"u}sseldorf}, isbn = {3-18-143318-7}, pages = {XI, 331 S. : graph. Darst.}, year = {1986}, language = {de} } @article{Zastrow1981, author = {Zastrow, Udo}, title = {Die Einflußfunktionen der Einzelkraft und der Stufenversetzung in der anisotropen Vollebene}, series = {Archive of Applied Mechanics - Ingenieur Archiv. 51 (1981), H. 1-2}, journal = {Archive of Applied Mechanics - Ingenieur Archiv. 51 (1981), H. 1-2}, isbn = {1432-0681}, pages = {89 -- 99}, year = {1981}, language = {de} } @article{Zastrow1985, author = {Zastrow, Udo}, title = {Zum System der Einflußfunktionen f{\"u}r die unendliche anisotrope Scheibe mit statischen und geometrischen Singularit{\"a}ten}, series = {Archive of Applied Mechanics - Ingenieur Archiv. 55 (1985), H. 2}, journal = {Archive of Applied Mechanics - Ingenieur Archiv. 55 (1985), H. 2}, isbn = {1432-0681}, pages = {124 -- 133}, year = {1985}, language = {de} } @article{Zastrow1982, author = {Zastrow, Udo}, title = {Solution of plane anisotropic elastostatical boundary value problems by singular integral equations}, series = {Acta Mechanica. 44 (1982), H. 1-2}, journal = {Acta Mechanica. 44 (1982), H. 1-2}, isbn = {1619-6937}, pages = {59 -- 71}, year = {1982}, language = {en} } @article{Zastrow1985, author = {Zastrow, Udo}, title = {On the formulation of the fundamental solutions for orthotropic plane elasticity}, series = {Acta Mechanica. 57 (1985), H. 3-4}, journal = {Acta Mechanica. 57 (1985), H. 3-4}, isbn = {1619-6937}, pages = {113 -- 122}, year = {1985}, language = {en} }