1
by Diehl, P., Fluck, E., Kosfeld, R.
Published 1972
Springer Berlin Heidelberg

2
by Diehl, P., Fluck, E., Kosfeld, R.
Published 1971
Springer Berlin Heidelberg

3
by Diehl, P., Kellerhals, H., Lustig, E.
Published 1972
Springer Berlin Heidelberg

4
by Diehl, P., Khetrapal, C. L., Jones, R. G.
Published 1969
Springer Berlin Heidelberg