1
Published 1996
2
Published 2000
3
by Hill, Hal, 1948-
Published 1999
4
Published 1996
5
Published 1996
6
Published 2003
7
Published 1992
8
Published 1992
9
by Pham, Hoang Mai
Published 2004
10
by Navaratnam, Ramon V.
Published 1997
11
Published 2001
12
by Dube, S. C, 1922-
Published 1990