1
by Rothgeb, John M.
Published 1993
2
by Stoessinger, John G.
Published 1965
3
Published 1992
4
Published 1998
5
by Pathmanathan, Murugesu.
Published 1985
6
Published 2012
7
by Bull, Hedley, 1932-1985
Published 1977
8
by Mathisen, Trygve
Published 1971
9
Published 1995
10
by Mingst, Karen A.
Published 2011
11
by Pearson, Frederic S.
Published 1992
12
by Holsti, K.J, 1935-
Published 1992
13
by Rosenau, James N.
Published 2006
14
15
by Murugesu Pathmanathan
Published 1985
16
by Roskin, Michael G.
Published 1993
17
by Walker, R. B. J.
Published 1993
18
by Scholte, Jan Aart
Published 1993
19
by Pfetsch, Frank R.
Published 1993
20
Published 1992