1
by Wicker, Tom
Published 1978
2
by Szende, Andrew
Published 1986
3
by Rugh, William A.
Published 1979
4
by Chakravarti, Rahul.
Published 2009
5
Published 1998
6
by Steele, Janet.
Published 2005
7
Published 2000
8
by Itule, Bruce D, 1947-
Published 2000