1
by Wood, Alastair
Published 1999
2
by Gilbert, John
Published 2002
3
by Lau Too Kya
Published 1996
4
by Tobin, Allan J.
Published 2005
5
by Hein, Morris.
Published 2004
6
by Miller, Irwin
Published 2004
7
by Blitzer, Robert
Published 2007
8
9
by Tan, S. T.
Published 2006
10
11
by Jacques, Ian
Published 2003
12
13
14
15
by Garrett, Reginald H.
Published 2005
16
Published 2004
17
18
by Solomon, T.W Graham
Published 2004
19
by Varberg, Dale
Published 2007
20
by Schell, Marilyn
Published 2007