IBM_Deutschland.
Computational methods in chemistry
Data base system :proceedings, 5th Informatik Symposium, IBM Germany, Bad Homburg v.d.H., September 24-26, 1975
Database systems of the 90s :international symposium, Muuggelsee, Berlin, FRG, November 5-7, 1990 : proceedings
Informationsverarbeitung und Kommunikation
Programming methodology :4th Informatik Symposium, IBM Germany, Wildbad, September 25-27, 1974
Stiff differential systems
Studies in integer programming