1
Published 2002
2
by Bartke, Wolfgang
Published 1991
3
Published 1993
4
Published 1989
5
Published 2007
6
7
by Findling, John E.
Published 1989
8
Published 2001
9
Published 1992
10
Published 1998
11
by Kirk-Greene, A. H. M. -
Published 1991
12
by Bartke, Wolfgang
Published 1990
13
Published 2001
14
Published 2002
15
Published 2005
16
Published 1992