1
Published 1991
2
Published 1989
3
Published 1990
4
by Przybyla, J?org
Published 1993
5
Published 1990
6
by Salzbrunn, Jochen W.
Published 1989
7
Published 1994
8
9
Published 1997
10
by Russon, L.J
Published 1962
11
by Coggle, Paul
Published 2003
12
by Vorderw?ulbecke, Anne
Published 1986
13
by Fischer, Paul
Published 1990
14
by Fischer, Paul
Published 1988
15
by Neuhaus, Karsta
Published 1992
16
Published 1986
17
by Scherling, Theo
Published 1992
18
by Busse, Joachim
Published 1982
19
by M?uller, Ekkehard
Published 1971
20
by Felix
Published 1995