1
by Stux, Gabriel, Stiller, Niklas, Pothmann, Raymund, Jayasuriya, Anton
Published 1981
Springer Berlin Heidelberg

2
by Stux, Gabriel, Jayasuriya, Anton
Published 1982
Springer Berlin Heidelberg

3
by Stux, Gabriel, Stiller, Niklas, Pothmann, Raymund, Jayasuriya, Anton
Published 1985
Springer Berlin Heidelberg

4
by Stux, Gabriel, Jayasuriya, Anton
Published 1982
Springer Berlin Heidelberg