1
by Semler, Eric
Published 1987
2
by Bouchet-Saulnier, Francoise
Published 2007
3
by Nandy, Milon
Published 1997
4
Published 2002
5
by Callan, Georgina O'Hara
Published 2001
6
by Downing, Douglas A.
Published 2000
7
Published 1998
8
Published 2002
9
by Robertson, David, 1946-
Published 2002
10
by Bartke, Wolfgang
Published 1991
11
by Robertson, David, 1946-
Published 2004
12
Published 1993
13
Published 1990
14
Published 2005
15
Published 2005
16
by Kalck, Pierre
Published 1992
17
18
Published 1993
19
Published 1999
20
Published 2005