1
by Schnupp, Peter, Nguyen Huu, Chau T., Bernhard, Lawrence W.
Published 1989
Springer Berlin Heidelberg

2
by Schnupp, Peter, Nguyen Huu, Chau Thuy
Published 1987
Springer Berlin Heidelberg

3
by Schnupp, Peter, Leibrandt, Ute
Published 1988
Springer Berlin Heidelberg