1
2
by Adams
Published 1991
3
by Chandra
Published 1992
4
5
by Barnett
Published 1988
6
by Kamrava, 1964-
Published 1993
7
by Horowitz
Published 1985
8
by Manor
Published 1991
9
Published 1993
10
Published 1993
11
by Mosse
Published 1993
12
by Melkote
Published 1991
13
14
15
by Prašnikar
Published 1991
16
by Ilyas Harun
Published 2001
17
Published 1993
18
19
by Apter
Published 1987
20
Published 1990