1
by Maucher, Helmut
Published 1994
2
Published 2003
3
by Singh, Kulwant
Published 2004
4
by Shih, Zhenrong, 1944-
Published 2002
5
6
Published 1992
7
Published 1992
8
Published 1992
9
Published 1995
10
Published 1996
11
by Richardson, Stanley
Published 1991
12
Published 2003
13
Published 1992
14
Published 1992
15
Published 1992
16
Published 1992
17
Published 1992
18
Published 1992
19
Published 1992
20
Published 1992