2
by Ramu, P., Thürlimann, B.
Published 1968
Birkhäuser Basel

3
by Furler, R., Thürlimann, B.
Published 1977
Birkhäuser Basel

4
by Anderheggen, E., Thürlimann, B.
Published 1966
Birkhäuser Basel

5
by Marti, P., Ritz, P., Thürlimann, B.
Published 1977
Birkhäuser Basel

6
by Marti, Peter, Pralong, Jean, Thürlimann, B.
Published 1977
Birkhäuser Basel