1
by Kok Koun Chin
Published 1988
2
3
by Hara
Published 1997
4
Published 2002
5
by Simson
Published 1970
6
by Smyth
Published 1971
7
by Braddell
Published 1947
8
by Mant
Published 1992
9
by Lewis
Published 1984
10
by Hashim Wan Teh
Published 1993
11
by Hashim Wan Teh
Published 1993
12
by Fusayama, Takao
Published 1997
13
14
15
by Aspinall
Published 1985
16
by Davison
Published 2001
17
Published 2000
18
Published 1995
19
by Morrison Ian
Published 1993
20
by Clutterbuck
Published 1973