1
Published 1997
2
Published 2007
3
4
Published 1994
5
by Wells, Stanley.
Published 1998
6
by Seely, John
Published 2002
7
8
by Chin, Soek Hock
Published 2006
9
by Fidelis, Fabian
Published 2005
10
11
by Liu, Yong
Published 1998
12
by Tao, Jie
Published 1995
13
Published 1999
14
by Cox, Michael
Published 2009
15
by Cox, Michael
Published 2009
16
by Smith, Debra White
Published 2007
17
Published 2009
18
Published 2009
19
Published 2009
20
Published 2009