1
Published 2008
2
by Langan
Published 2011
3
by Gregoire
Published 2003
4
by Mohd Azam Nair
Published 2009
5
Published 1997
6
by Booher
Published 2009
7
by Yip
Published 2006
8
by Li
Published 1981
9
by Downing
Published 2006
10
by Langan
Published 2000
11
by TURTON
Published 1996
12
by LEAVITT
Published 1985
13
14
by BADALAMENTI
Published 2000
15
by Swan, Michael
Published 1997
16
by LEONHARD
Published 2002
17
by GREENBAUM
Published 1999
18
by GLENDINNING
Published 1995
19
by DAWSON
Published 1997
20
by Langan
Published 2000