@article{Alt1983, author = {Alt, Helmut}, title = {Einsatz programmierbarer Rechner im Sondervertragskundenbereich der Gasversorgung}, series = {Das Gas- und Wasserfach : Ausgabe Gas, Erdgas : GWF}, volume = {Bd. 124}, journal = {Das Gas- und Wasserfach : Ausgabe Gas, Erdgas : GWF}, number = {H. 9}, issn = {0016-4909}, pages = {468 -- 471}, year = {1983}, language = {de} } @incollection{Alt1983, author = {Alt, Helmut}, title = {Analog anzeigende Digitaluhr}, series = {FH-Texte ; 36 : Berichte aus dem Fachbereich Elektrotechnik Aachen}, booktitle = {FH-Texte ; 36 : Berichte aus dem Fachbereich Elektrotechnik Aachen}, publisher = {Fachhochschule Aachen}, address = {Aachen}, pages = {98 -- 104}, year = {1983}, language = {de} } @article{Alt1983, author = {Alt, Helmut}, title = {Auswertung von Belastungskennlinien}, series = {Elektrizit{\"a}tswirtschaft}, volume = {Bd. 82}, journal = {Elektrizit{\"a}tswirtschaft}, issn = {0013-5496}, pages = {208 -- 210}, year = {1983}, language = {de} } @book{AltSchumny1983, author = {Alt, Helmut and Schumny, Harald}, title = {Schreiben, Zeichnen, Tabellieren : (TI-59, HP-41 C) (Vieweg-Programmbibliothek Taschenrechner ; 4) / Helmut Alt ; Harald Schumny [Hrsg.]}, publisher = {Vieweg + Teubner}, address = {Wiesbaden}, isbn = {3-528-04233-8}, pages = {77 S.}, year = {1983}, language = {de} } @book{AltSchumny1983, author = {Alt, Helmut and Schumny, Harald}, title = {Taschenrechnerarithmetik mit erh{\"o}hter Genauigkeit (TI-59/HP-41C) (Vieweg-Programmbibliothek Taschenrechner ; 2) / Helmut Alt ; Harald Schumny [Hrsg.]}, publisher = {Vieweg + Teubner}, address = {Wiesbaden}, isbn = {3-528-04229-X ; 978-3-322-91099-8 ; 978-3-528-04229-5}, pages = {III, 58 S.}, year = {1983}, language = {de} } @book{AltensenAltSchumny1983, author = {Altensen, Frank and Alt, Helmut and Schumny, Harald}, title = {Kryptologie (HP-41 C/CV) : Chiffrierung, Textverschl{\"u}sselung, Datenschutz, Morsealphabet (Vieweg-Programmbibliothek Taschenrechner ; 7) / Helmut Alt ; Harald Schumny [Hrsg.]}, publisher = {Vieweg + Teubner}, address = {Wiesbaden}, isbn = {3-528-04256-7}, pages = {V, 92 S.}, year = {1983}, language = {de} }