1
2
Published 1983
3
by Gill, Bates.
Published 2010
4
by Yudin, Yuri
Published 2010
5
Published 1992
6
Published 1979
7
8
Published 2005
9
by Pritchard, Charles L.
Published 2007
10
by Pande, Savita
Published 1997
11
Published 1989
12
by Ford, Glyn
Published 2008
13
14
15
Published 1989
16
by Anil Fahriza Adenan
Published 2006
17
18