1
2
by Abu-Fadl
Published 1992
3
Published 1984
4
Published 1994
5
Published 1993
6
Published 1981
7
Published 1990
8
by Bonavia
Published 1982
9
10
by Ogden
Published 1995
11
by Yoshino
Published 1992
12
by Tanaka
Published 1993
13
14
15
16
17
by Lewis
Published 2008
18
Published 1992
19
by Allchin, Bridget
Published 1982
20
by Mohd. Yusof Hasan
Published 1991