1
by Poloczek, Peter G.
Published 1983
Vieweg+Teubner Verlag
...Vieweg Programmbibliothek Taschenrechner...

2
by Hoffmann, Norbert
Published 1984
Vieweg+Teubner Verlag
...Vieweg Programmbibliothek Taschenrechner...

3
by Alt, Helmut
Published 1984
Vieweg+Teubner Verlag
...Vieweg Programmbibliothek Taschenrechner...