1
Published 1989
2
by Chubin, Shahram
Published 1994
3
Published 1996
4
by Meconis, Charles A.
Published 1995
5
Published 1996
6
by Mazarr, Michael J, 1965-
Published 1989
7
by Levin, Norman D.
Published 1993
8
9
Published 1992
10
by Bowen, Wyn Q.
Published 1996
11
Published 1995
12
Published 1994
13
Published 1997
14
15
Published 1988
16
by Ball, Desmond
Published 1993
17
18
Published 1989
19
Published 1993
20
by Lebovic, James H.
Published 1996