21
by Couloumbis, Theodore A.
Published 1990
22
by Malhotra, Vinay Kumar, Dr.
Published 1993
23
by Hocking, Brian
Published 1993
24
by Goldmann, Kjell
Published 1994
25
by Brown, Seyom
Published 1996
26
27
by Cassese, Antonio
Published 1986
28
29
Published 2007
30
by Richmond, Oliver P.
Published 2008
31
32
by Nester, William R, 1956-
Published 1995
33
Published 1996
34
Published 2002
35
by Brown, Chris
Published 2002
36
Published 1990
37
38
Published 2004
39
Published 1998
40
Published 1994