1
Published 1995
2
by Chandra
Published 1992
3
by Wolfson
Published 1984
4
by Whicker
Published 1993
5
by Anuwar Ali
Published 1992
6
by Francks
Published 1992
7
Published 1992
8
9
by Sheridan
Published 1993
10
by Anyansi-Archibong
Published 1987
11
12
13
by Nester
Published 1993
14
by Francks
Published 1992
15
by Johnson
Published 1982
16
Published 1999
17
by Grant
Published 1993
18
19
by Duetsch
Published 1993
20
Published 1993