1
by Burri, C., Ecke, H., Kuner, E. H., Pannike, A.
Published 1974
Springer Berlin Heidelberg

2
by Burri, C., Beck, H., Ecke, H., Jungbluth, K. H.
Published 1976
Springer Berlin Heidelberg

3
by Burri, Caius, Beck, H., Ecke, H., Jungbluth, K.H.
Published 1982
Springer Berlin Heidelberg