1
by Lipner, Seth E.
Published 1990
2
by Carr, Indira.
Published 1993
3
4
5
Published 1989
6
by Narlikar, Amrita
Published 2003
7
by Das, Bhagirath Lal
Published 1998
8
Published 1995
9
by Matsushita, Mitsuo, 1933-
Published 1989
10
by Litka, Michael P.
Published 1991
11
by Cohen, Stephen D.
Published 1996
12
Published 2003
13
by Potter, Pitman B.
Published 1995
14
by DiMatteo, Larry A.
Published 2003
15
by Hudec, Robert E.
Published 1990
16
by Glick, Leslie Alan
Published 1991
17
by Stokes, Bruce
Published 2001
18
Published 2002
19
Published 2001
20
Published 1994