21
Published 1991
22
Published 1993
23
by Thomas BJ.
Published 1989
24
by Forst, Gabriele
Published 1995
25
Published 2001
26
Published 2001
27
Published 2001
28
by Behal-Thomsen, Heinke
Published 1993
29
by Heyne, Isolde
Published 1996
30
by Zwier, Lawrence J.
Published 2001
31
by Dean, Susan
Published 2003
32
by Schmitz, Helen
Published 2002
33
by Meese, Herrad
Published 2005
34
Published 2003
35
Published 2003
36
by Meese, Herrad
Published 2005
37
by Lundquist-Mog, Angelika
Published 2001
38
Published 2001
39
Published 2001
40
Published 2001