1
2
3
by Silberman
Published 1985
4
by Abu-Fadl
Published 1992
5
Published 1984
6
Published 1994
7
by Taylor, Mark C
Published 2007
8
Published 1993
9
Published 1981
10
Published 1990
11
by Bonavia
Published 1982
12
13
by Ogden
Published 1995
14
by Yoshino
Published 1992
15
by Tanaka
Published 1993
16
17
18
19
20
by Lewis
Published 2008