1
by Chari, P. R.
Published 2003
2
Published 2009
3
Published 1997
4
Published 2000
5
Published 1999
6
by Samuels, Richard J.
Published 2007
7
Published 1991
8
Published 1991
9
Published 2007
10
by Kip, Jungsup
Published 2007
11
Published 1995
12
by Burke, anthony, 1966
Published 2001
13
Published 2006
14
Published 2007
15
16
17
by Chubin, Shahram
Published 2002
18
19
by Tow, William T.
Published 1991
20
Published 2005