@article{FoersterStockIndlekofer2002, author = {F{\"o}rster, Arnold and Stock, J. and Indlekofer, K. M.}, title = {Perspectives of resonant tunneling diodes}, series = {Recent research developments in materials science \& engineering/ 1,2}, journal = {Recent research developments in materials science \& engineering/ 1,2}, publisher = {Transworld Research Network}, address = {Trivandrum, India}, isbn = {81-7895-057-X}, pages = {527 -- 556}, year = {2002}, language = {en} } @article{FoersterDarmoSchaferetal.2002, author = {F{\"o}rster, Arnold and Darmo, J. and Schafer, F. and Kordos, P.}, title = {Thermal resistance of the semiconductor structures for a photomixing device. Darmo, J.; Schafer, F.; Forster, A.; Kordos, P.; Gusten, R}, series = {Conference proceedings : Smolenice Castle, Slovakia, October 14 - 16, 2002 / [organizers: Microelectronics Department, Faculty of Electrical Engineering and Information Technology, Slovak University of Technology, Bratislava]. Ed. by Juraj Breza}, journal = {Conference proceedings : Smolenice Castle, Slovakia, October 14 - 16, 2002 / [organizers: Microelectronics Department, Faculty of Electrical Engineering and Information Technology, Slovak University of Technology, Bratislava]. Ed. by Juraj Breza}, publisher = {IEEE Operations Center}, address = {Piscataway, NJ}, isbn = {0-7803-7276-X}, pages = {87 -- 90}, year = {2002}, language = {en} } @article{FoersterAdamMikulicsetal.2002, author = {F{\"o}rster, Arnold and Adam, R. and Mikulics, M. and Schelten, J.}, title = {Fabrication and subpicosecond optical response of low-temperature-grown GaAs freestanding photoconductive devices. Adam, R.; Mikulics, M.; Forster, A.; Schelten, J.; Siegel, M.; Kordos, P.; Zheng, X.; Wu, S.; Sobolewski, R.}, series = {Applied Physics Letters. 81 (2002), H. 18}, journal = {Applied Physics Letters. 81 (2002), H. 18}, isbn = {1077-3118}, pages = {3485 -- 3487}, year = {2002}, language = {en} } @article{FoersterWensorraIndlekoferetal.2005, author = {F{\"o}rster, Arnold and Wensorra, J. and Indlekofer, K. M. and L{\"u}th, H.}, title = {Resonant tunneling in nanocolumns improved by quantum collimation. Wensorra, J.; Indlekofer, K. M.; F{\"o}rster, A.; L{\"u}th, H.}, series = {Nano Letters. 5 (2005)}, journal = {Nano Letters. 5 (2005)}, isbn = {0587-4246}, pages = {2470 -- 2475}, year = {2005}, language = {en} } @article{FoersterMalzerHeberetal.1998, author = {F{\"o}rster, Arnold and Malzer, S. and Heber, J. and Peter, M.}, title = {Vertical transport and relaxation mechanisms in d-doping superlattices. Malzer, S.; Heber, J.; Peter, M.; Eckl, S.; Elpelt, R.; Doehler, G. H.; F{\"o}rster, A.; L{\"u}th, H.}, series = {Physica E: Low-dimensional Systems and Nanostructures. 2 (1998), H. 1-4}, journal = {Physica E: Low-dimensional Systems and Nanostructures. 2 (1998), H. 1-4}, isbn = {1386-9477}, pages = {349 -- 352}, year = {1998}, language = {en} } @article{DarmoSchaefferFoersteretal.2000, author = {Darmo, J. and Sch{\"a}ffer, F. and F{\"o}rster, Arnold and Kordos, P.}, title = {Beryllium doped low-temperature-grown MBE GaAs: material for photomixing in the THz frequency range}, series = {ASDAM 2000 : conference proceedings / edited by Jozef Osvald ... [et al.]}, journal = {ASDAM 2000 : conference proceedings / edited by Jozef Osvald ... [et al.]}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {0780359399}, pages = {147 -- 150}, year = {2000}, language = {en} } @article{FoersterIndlekoferLange1996, author = {F{\"o}rster, Arnold and Indlekofer, K. and Lange, J.}, title = {Theory of single-electron tunneling in resonant-tunneling diodes including scattering and multiple subbands at finite temperature / K. M. Indlekofer ; J. Lange ; A. F{\"o}rster ...}, series = {Physical review / B, Condensed matter and materials physics. 53 (1996), H. 11}, journal = {Physical review / B, Condensed matter and materials physics. 53 (1996), H. 11}, isbn = {1095-3795}, pages = {7392 -- 7402}, year = {1996}, language = {en} } @article{FoersterAppenzellerSchroer1996, author = {F{\"o}rster, Arnold and Appenzeller, J. and Schroer, C.}, title = {Electron interference in a T-shaped quantum transistor based on Schottky-gate technology / J. Appenzeller ; Ch. Schroer ; Th. Sch{\"a}pers ... A. F{\"o}rster ...}, series = {Physical review / B, Condensed matter and materials physics. 53 (1996), H. 15}, journal = {Physical review / B, Condensed matter and materials physics. 53 (1996), H. 15}, isbn = {1095-3795}, pages = {9959 -- 9963}, year = {1996}, language = {en} } @article{FoersterSchmidtHaug1997, author = {F{\"o}rster, Arnold and Schmidt, T. and Haug, R. J.}, title = {Single-electron transport in small resonant-tunneling diodes with various barrier-thickness asymmetries / T. Schmidt ; R. J. Haug ; K. v. Klitzing ; A. F{\"o}rster ...}, series = {Physical review / B, Condensed matter and materials physics. 55 (1997), H. 4}, journal = {Physical review / B, Condensed matter and materials physics. 55 (1997), H. 4}, isbn = {1095-3795}, pages = {2230 -- 2236}, year = {1997}, language = {en} } @article{FoersterLauterBauser1995, author = {F{\"o}rster, Arnold and Lauter, J. and Bauser, E.}, title = {Epitaxial gallium arsenide for nuclear radiation detector applications / J. Lauter ; E. Bauser ; A. F{\"o}rster ...}, series = {Nuclear physics B / Proceedings supplements. 44 (1995), H. 1-3}, journal = {Nuclear physics B / Proceedings supplements. 44 (1995), H. 1-3}, isbn = {0920-5632}, pages = {381 -- 385}, year = {1995}, language = {en} } @article{FoersterLauterProticetal.1995, author = {F{\"o}rster, Arnold and Lauter, J. and Protic, D. and L{\"u}th, H.}, title = {AlGaAs/GaAs SAM-avalanche photodiode : an X-ray detector for low energy photons / J. Lauter ; D. Protic ; A. F{\"o}rster ; H. L{\"u}th}, series = {Nuclear instruments and methods in physics research section A: Accelerators, spectrometers, detectors and associated equipment. 356 (1995), H. 2-3}, journal = {Nuclear instruments and methods in physics research section A: Accelerators, spectrometers, detectors and associated equipment. 356 (1995), H. 2-3}, isbn = {0168-9002}, pages = {324 -- 329}, year = {1995}, language = {en} } @article{FoersterNovakMorvic1996, author = {F{\"o}rster, Arnold and Nov{\´a}k, J. and Morvic, M.}, title = {Wet chemical separation of low-temperature GaAs layers from their GaAs substrates / J. Nov{\´a}k ; M. Morvic ; J. Betko ; A. F{\"o}rster ...}, series = {Materials science and engineering / B, Solid state materials for advanced technology. 40 (1996), H. 1}, journal = {Materials science and engineering / B, Solid state materials for advanced technology. 40 (1996), H. 1}, isbn = {0921-5107}, pages = {58 -- 62}, year = {1996}, language = {en} } @article{FoersterZettlerMikkelsenetal.1992, author = {F{\"o}rster, Arnold and Zettler, J.-T. and Mikkelsen, H. and Leo, K.}, title = {Modulated ellipsometric measurements and transfer-matrix calculation of the field-dependent dielectric function of a multiple quantum well / J.-Th. Zettler ; H. Mikkelsen ; K. Leo ... A. F{\"o}rster}, series = {Physical Review B . 46 (1992), H. 24}, journal = {Physical Review B . 46 (1992), H. 24}, isbn = {0163-1829}, pages = {15955 -- 15962}, year = {1992}, language = {en} } @article{FoersterLangeGerthsen1994, author = {F{\"o}rster, Arnold and Lange, J. and Gerthsen, D.}, title = {The effect of growth temperature on AlAs/GaAs resonant tunnelling diodes}, series = {Journal of Physics D: Applied Physics. 27 (1994), H. 1}, journal = {Journal of Physics D: Applied Physics. 27 (1994), H. 1}, isbn = {0022-3727}, pages = {175 -- 178}, year = {1994}, language = {en} } @article{FoersterOhlerMoers1997, author = {F{\"o}rster, Arnold and Ohler, C. and Moers, J.}, title = {Band offsets at heavily strained III - V interfaces / C. Ohler ; A. F{\"o}rster ; J. Moers...}, series = {Journal of Physics D: Applied Physics. 30 (1997), H. 10}, journal = {Journal of Physics D: Applied Physics. 30 (1997), H. 10}, isbn = {0022-3727}, pages = {1436 -- 1441}, year = {1997}, language = {en} } @article{FoersterDarmoDubeckyetal.1994, author = {F{\"o}rster, Arnold and Darmo, J. and Dubeck{\´y}, F. and Kordos, P.}, title = {Deep-level states and electrical properties of GaAs grown at 250 °C / J. Darmo ; F. Dubeck{\´y} ; P. Kordos ; A. F{\"o}rster ...}, series = {Materials science and engineering B: Solid\&\#150; state materials for advanced technology. 28 (1994), H. 1-3}, journal = {Materials science and engineering B: Solid\&\#150; state materials for advanced technology. 28 (1994), H. 1-3}, isbn = {0921-5107}, pages = {393 -- 396}, year = {1994}, language = {en} } @article{FoersterBetkoKordosetal.1994, author = {F{\"o}rster, Arnold and Betko, J. and Kordos, P. and Kuklovsky, S.}, title = {Electrical properties of molecular beam epitaxial GaAs layers grown at low temperature / J. Betko ; P. Kordos ; S. Kuklovsky ; A. F{\"o}rster ...}, series = {Materials science and engineering B: Solid\&\#150; state materials for advanced technology. 28 (1994), H. 1-3}, journal = {Materials science and engineering B: Solid\&\#150; state materials for advanced technology. 28 (1994), H. 1-3}, isbn = {0921-5107}, pages = {147 -- 150}, year = {1994}, language = {en} } @article{FoersterNovakKuceraetal.1997, author = {F{\"o}rster, Arnold and Novak, J. and Kucera, M. and Morvic, M.}, title = {Characterization of low-temperature GaAs by galvanomagnetic an photoluminescence measurements / J. Nov{\´a}k ; M. Kucera ; M. Morvic ... A. F{\"o}rster ...}, series = {Materials science and engineering B: Solid\&\#150; state materials for advanced technology. 44 (1997), H. 1-3}, journal = {Materials science and engineering B: Solid\&\#150; state materials for advanced technology. 44 (1997), H. 1-3}, isbn = {0921-5107}, pages = {341 -- 344}, year = {1997}, language = {en} } @article{FoersterSchoenhutMetzner1996, author = {F{\"o}rster, Arnold and Sch{\"o}nhut, J. and Metzner, C.}, title = {Optical investigation of impurity bands in a delta-doped n-layer / J. Sch{\"o}nhut ; C. Metzner ; S. M{\"u}ller ... A. F{\"o}rster ...}, series = {Solid state electronics. 40 (1996), H. 1-8}, journal = {Solid state electronics. 40 (1996), H. 1-8}, isbn = {0038-1101}, pages = {701 -- 705}, year = {1996}, language = {en} } @article{FoersterLayetLueth1988, author = {F{\"o}rster, Arnold and Layet, J. M. and L{\"u}th, H.}, title = {The effect of inhomogeneous dopant profiles on the electron energy loss spectra of Si(100) /}, series = {Applied Physics A: Materials Science \& Processing. 47 (1988), H. 1}, journal = {Applied Physics A: Materials Science \& Processing. 47 (1988), H. 1}, isbn = {0947-8396}, pages = {95 -- 97}, year = {1988}, language = {en} } @article{FoersterSchaepersKruegeretal.1995, author = {F{\"o}rster, Arnold and Sch{\"a}pers, T. and Kr{\"u}ger, M. and Appenzeller, J.}, title = {Effect of electron-electron interaction on hot ballistic electron beams / Th. Sch{\"a}pers ; M. Kr{\"u}ger ; J. Appenzeller ; A. F{\"o}rster ...}, series = {Applied physics letters. 66 (1995), H. 26}, journal = {Applied physics letters. 66 (1995), H. 26}, isbn = {0003-6951}, pages = {3603 -- 3606}, year = {1995}, language = {en} } @article{FoersterKordosBetko1995, author = {F{\"o}rster, Arnold and Kordos, P. and Betko, J.}, title = {Semi-insulating GaAs layers grown by molecular-beam epitaxy / P. Kordos ; A. F{\"o}rster ; J. Betko ...}, series = {Applied physics letters. 67 (1995), H. 7}, journal = {Applied physics letters. 67 (1995), H. 7}, isbn = {0003-6951}, pages = {983 -- 985}, year = {1995}, language = {en} } @article{FoersterSchmidtTewordtetal.1996, author = {F{\"o}rster, Arnold and Schmidt, T. and Tewordt, M. and Haug, R. J.}, title = {Peak-to-valley ratio of small resonant-tunneling diodes with various barrier-thickness asymmetries / T. Schmidt ; M. Tewordt ; R. J. Haug ... A. F{\"o}rster ...}, series = {Applied physics letters. 68 (1996), H. 6}, journal = {Applied physics letters. 68 (1996), H. 6}, isbn = {0003-6951}, pages = {838 -- 840}, year = {1996}, language = {en} } @article{FoersterSchaeferLondschien1988, author = {F{\"o}rster, Arnold and Sch{\"a}fer, B.-J. and Londschien, M.}, title = {Arsenic passivation of MOMBE grown GaAs surfaces / B. -J. Sch{\"a}fer ; A. F{\"o}rster ; M. Londschien ...}, series = {Surface Science. 204 (1988), H. 3}, journal = {Surface Science. 204 (1988), H. 3}, isbn = {0039-6028}, pages = {485 -- 490}, year = {1988}, language = {en} } @article{FoersterLayetLueth1989, author = {F{\"o}rster, Arnold and Layet, J. M. and L{\"u}th, H.}, title = {Evaluation of dopant profiles and diffusion constants by means of electron energy loss spectroscopy}, series = {Applied Surface Science. 41 - 42 (1989)}, journal = {Applied Surface Science. 41 - 42 (1989)}, isbn = {0169-4332}, pages = {306 -- 311}, year = {1989}, language = {en} } @article{FoersterLangeGerthsen1993, author = {F{\"o}rster, Arnold and Lange, J. and Gerthsen, D.}, title = {Effect of interface roughness and scattering on the performance of AlAs/InGaAs resonant tunneling diodes}, series = {Journal of Vacuum Science \& Technology B: Microelectronics and Nanometer Structures. 11 (1993), H. 4}, journal = {Journal of Vacuum Science \& Technology B: Microelectronics and Nanometer Structures. 11 (1993), H. 4}, isbn = {1071-1023}, pages = {1743 -- 1747}, year = {1993}, language = {en} } @article{FoersterOhlerMoers1993, author = {F{\"o}rster, Arnold and Ohler, C. and Moers, J.}, title = {Strain dependence of the valence-band offset in arsenide compound heterojunctions determined by photoelectron spectroscopy / C. Ohler ; J. Moers ; A. F{\"o}rster ...}, series = {Journal of Vacuum Science \& Technology B: Microelectronics and Nanometer Structures. 13 (1993), H. 4}, journal = {Journal of Vacuum Science \& Technology B: Microelectronics and Nanometer Structures. 13 (1993), H. 4}, isbn = {1071-1023}, pages = {1728 -- 1735}, year = {1993}, language = {en} } @article{FoersterMorvicBetko1998, author = {F{\"o}rster, Arnold and Morvic, M. and Betko, J.}, title = {On the hopping and band conductivity in molecular-beam epitaxial low-temperature grown GaAs / M. Morvic ; J. Betko ; J. Nov{\´a}k ... A. F{\"o}rster}, series = {Physica status solidi / B, Basic research. 205 (1998), H. 1}, journal = {Physica status solidi / B, Basic research. 205 (1998), H. 1}, isbn = {1521-3951}, pages = {125 -- 128}, year = {1998}, language = {en} } @article{FoersterDubeckyDarmo1994, author = {F{\"o}rster, Arnold and Dubecky, F.. and Darmo, J.}, title = {Investigation of deep-level states in bulk and low temperature MBE semiinsulating GaAs by admittance transient spectroscopy / F. Dubecky ; J. Darmo ; M. Darviras ; A. F{\"o}rster ...}, series = {Semi-insulating III-V materials, Ixtapa, Mexico 1992 : proceedings of the 7th Conference on Semi-insulating III-V Materials, Ixtapa, Mexico, 21 - 24 April 1992 / ed. by C. J. Miner ...}, journal = {Semi-insulating III-V materials, Ixtapa, Mexico 1992 : proceedings of the 7th Conference on Semi-insulating III-V Materials, Ixtapa, Mexico, 21 - 24 April 1992 / ed. by C. J. Miner ...}, publisher = {Inst. of Physics Publ.}, address = {Bristol [u.a.]}, isbn = {0-7503-0242-9}, pages = {265 -- 272}, year = {1994}, language = {en} } @article{FoersterKordosBetko1995, author = {F{\"o}rster, Arnold and Kordos, P. and Betko, J.}, title = {Electrical and structural characterization of MBE GaAs grown at temperatures between 200 and 600 °C / P. Kordos ; J. Betko; A. F{\"o}rster ...}, series = {Compound semiconductors, 1994 : proceedings of the twenty-first International Symposium on Compound Semiconductors held in San Diego, California, 18 - 22 September, 1994 / ed. by Herb Goronkin ... - (Conference series / Institute of Physics ; 141)}, journal = {Compound semiconductors, 1994 : proceedings of the twenty-first International Symposium on Compound Semiconductors held in San Diego, California, 18 - 22 September, 1994 / ed. by Herb Goronkin ... - (Conference series / Institute of Physics ; 141)}, publisher = {Institute of Physics}, address = {Bristol [u.a.]}, isbn = {0-7503-0226-7}, pages = {295 -- ff.}, year = {1995}, language = {en} } @article{FoersterLauterLueth1996, author = {F{\"o}rster, Arnold and Lauter, J. and L{\"u}th, H.}, title = {AlGaAs/GaAs avalanche detector array -1 GBit/s X-ray receiver for timing measurements / J. Lauter ; A. F{\"o}rster ; H. L{\"u}th ...}, series = {1995 IEEE conference record : October 21 - 28, 1995, San Francisco / Patricia A. Moonier, guest ed. - Vol. 1}, journal = {1995 IEEE conference record : October 21 - 28, 1995, San Francisco / Patricia A. Moonier, guest ed. - Vol. 1}, publisher = {IEEE Service Center}, address = {Piscataway, NJ}, isbn = {0-7803-3180-X}, pages = {579 -- ff.}, year = {1996}, language = {en} } @article{FoersterSchmidtHaug1996, author = {F{\"o}rster, Arnold and Schmidt, T. and Haug, R. J.}, title = {Imaging the local density of states in a disordered semiconductor / T. Schmidt ; R. J. Haug ; V. I. Fal'ko ... A. F{\"o}rster ...}, series = {23rd International Conference on the Physics of Semiconductors : Berlin, Germany, July 21 - 26, 1996 / ed.: Matthias Scheffler ... - Vol. 3}, journal = {23rd International Conference on the Physics of Semiconductors : Berlin, Germany, July 21 - 26, 1996 / ed.: Matthias Scheffler ... - Vol. 3}, publisher = {World Scientific}, address = {Singapore [u.a.]}, isbn = {981-02-2947-X}, pages = {2251 -- ff.}, year = {1996}, language = {en} } @article{FoersterSchmidtHaug1996, author = {F{\"o}rster, Arnold and Schmidt, T. and Haug, R. J.}, title = {Spectroscopy of local density of states fluctuations in a disordered conductor / T. Schmidt ; R. J. Haug ; V. I. Fal'ko ... A. F{\"o}rster ...}, series = {Europhysics letters. 36 (1996), H. 1}, journal = {Europhysics letters. 36 (1996), H. 1}, isbn = {1286-4854}, pages = {61 -- 66}, year = {1996}, language = {en} } @article{FoersterLauterLueth1996, author = {F{\"o}rster, Arnold and Lauter, J. and L{\"u}th, H.}, title = {AlGaAs/GaAs avalanche detector array-1 GBit/s X-ray receiver fortiming measurements / J. Lauter ; A. F{\"o}rster ; H. L{\"u}th ...}, series = {IEEE Transactions on Nuclear Science (T-NS). 43 (1996), H. 3, Part 2}, journal = {IEEE Transactions on Nuclear Science (T-NS). 43 (1996), H. 3, Part 2}, isbn = {0018-9499}, pages = {1446 -- 1451}, year = {1996}, language = {en} } @article{FoersterSchmidtHaug1997, author = {F{\"o}rster, Arnold and Schmidt, T. and Haug, R. J.}, title = {Spectroscopy of the single-particle states of a quantum-dot molecule / T. Schmidt ; R. J. Haug ; K. v. Klitzing ; A. F{\"o}rster ...}, series = {Physical review letters. 78 (1997), H. 8}, journal = {Physical review letters. 78 (1997), H. 8}, isbn = {0031-9007}, pages = {1544 -- 1547}, year = {1997}, language = {en} } @article{FoersterSchmidtHaug1997, author = {F{\"o}rster, Arnold and Schmidt, T. and Haug, R. J.}, title = {Observation of the local structure of landau bands in a disordered conductor / T. Schmidt ; R. J. Haug ; Vladimir I. Fal'ko ... A. F{\"o}rster ...}, series = {Physical review letters. 78 (1997), H. 8}, journal = {Physical review letters. 78 (1997), H. 8}, isbn = {0031-9007}, pages = {1540 -- 1543}, year = {1997}, language = {en} } @article{KaemperSchulzArnoldetal.1995, author = {K{\"a}mper, Klaus-Peter and Schulz, C. and Arnold, J. and Detter, H.}, title = {Anwendungen der LIGA-Technik f{\"u}r medizinische Diagnose- und Therapiesysteme. Schulz, C.; Arnold, J.; Detter, H.; D{\"o}pper, J.; Ehrfeld, W., Erbel, R.; K{\"a}mper, K.-P.; Koch, L.; Lehr, H.; Roth, T.}, series = {Elektrotechnik und Informationstechnik. 112 (1995), H. 9}, journal = {Elektrotechnik und Informationstechnik. 112 (1995), H. 9}, isbn = {0932-383X}, pages = {493}, year = {1995}, language = {de} } @article{FoersterDoehlerHeber1998, author = {F{\"o}rster, Arnold and D{\"o}hler, G. H and Heber, J.}, title = {Hot electrons in n-i-p.i-based devices / G. H. D{\"o}hler ; J. Heber ... A. F{\"o}rster ...}, series = {Hot electrons in semiconductors : physics and devices / ed. by N. Balkan. - (Series on semiconductor science and technology ; 5)}, journal = {Hot electrons in semiconductors : physics and devices / ed. by N. Balkan. - (Series on semiconductor science and technology ; 5)}, publisher = {Clarendon Press}, address = {Oxford}, isbn = {0-19-850058-0}, pages = {478 -- 504}, year = {1998}, language = {en} } @article{ZatkoDubeckyBohaceketal.2004, author = {Zatko, B. and Dubeck{\´y}, F. and Bohacek, P. and Gombia, E. and Frigeri, P. and Mosca, R. and Franchi, S. and Huarn, J. and Nescas, V. and Sekacova, M. and F{\"o}rster, Arnold and Kordos, P.}, title = {On the spectrometric performance limit of radiation detectors based on semi-insulating GaAs}, series = {Nuclear instruments and methods in physics research, Section A. 531 (2004), H. 1-2}, journal = {Nuclear instruments and methods in physics research, Section A. 531 (2004), H. 1-2}, isbn = {0168-9002}, pages = {111 -- 120}, year = {2004}, language = {en} } @article{SrnanekGeurtsLentzeetal.2004, author = {Srnanek, R. and Geurts, J. and Lentze, M. and Irmer, G. and Donoval, D. and Brdecka, P. and Kordos, P. and F{\"o}rster, Arnold and Sciana, B. and Radziewicz, D. and Tlaczala, M.}, title = {Study of d-doped GaAs layers by micro-Raman spectroscopy on bevelled samples}, series = {Applied surface science . 230 (2004), H. 1 -4}, journal = {Applied surface science . 230 (2004), H. 1 -4}, isbn = {0169-4332}, pages = {379 -- 385}, year = {2004}, language = {en} }