//-->
Mikrocomputer-Programme : Werkzeuge und Hilfsmittel zu ihrer Erstellung
Pelka, Horst, (1983)
Yxilon - a Modular Open-Source Statistical Programming Language
Klinke, Sigbert, (2005)
STATE OF THE ART IN SERVICEMODELING LANGUAGES
Blau, Benjamin, (2007)
Computer languages and their uses
Marshall, Garry J., (1983)