1
by Planert, Ute
Published 1998
Vandenhoeck & Ruprecht

2
by Kampe, Norbert
Published 1988
Vandenhoeck & Ruprecht

3
by Greven-Aschoff, Barbara
Published 1981
Vandenhoeck & Ruprecht

4
by Schmidt, Jürgen
Published 2005
Vandenhoeck & Ruprecht

5
by Breuilly, John
Published 1983
Vandenhoeck & Ruprecht