1
by Richter
Published 1999
2
by Reed
Published 2002
3
by Roff
Published 2003
4
5
by Schmuller
Published 2002
6
7
Published 2002
8
9
by Gomaa
Published 2000
10
by Carlson
Published 2001
11
by Bennett
Published 1999
12
by Scott, 1960-
Published 2001
13
by Naiburg
Published 2001
14
15
by Schach
Published 2002
16
by Schach
Published 1999
17
by Eriksson, 1961-
Published 2000
18
by Brown
Published 2002
19
by Cantor, 1947-
Published 1998
20
by Siau
Published 2001