1
Published 1995
2
Published 1998
3
by Hubbard, R. Glenn.
Published 2000
4
Published 2003
5
by Duncan
Published 2003
6
7
Published 2002
8
Published 2003
9
Published 1988
10
by Meier
Published 1974
11
12
by Williams
Published 2006
13
by Ben-Ami, Daniel.
Published 2001
14
by Macesich, George, 1927-
Published 1981
15
by Navaratnam
Published 1999
16
by Kenen
Published 2001