1
Published 1988
...Rand Corporation research study...
2
by Larrabee, F. Stephen
Published 1997
3
Published 1991
4
Published 1995
5
by Frei, Daniel
Published 1984
6
by Wiarda, Howard J, 1939-
Published 1985
7
by Shcherbak, Yuri, 1934-
Published 1998
8
by Liska, George
Published 1975