1
2
Published 2004
3
Published 2004
4
by E. Tan Alaudin
Published 1998
5
by Dyer
Published 1986
6
Published 1980
7
8
Published 1992
9
10
11
Published 2005
12
Published 2001
13
by Witteborg
Published 1981
14
15
16
Published 1995
17
Published 2002
18
Published 1996
19
20
Published 1993