1
Published 2009
2
by Bruice
Published 2010
3
by Nageswari
Published 2006
4
by Hawkins
Published 2009
5
by Singh
Published 2006
6
by O'Leary
Published 2008
7
by O'Leary
Published 2008
8
by Thibodeau
Published 2010
9
by Singh
Published 2006
10
by Chatterjea
Published 2007
11
by Tuszynski
Published 2002
12
by Thornton
Published 2006
13
by Gustafson
Published 2008
14
by Ohanian
Published 1994
15
by Fraser
Published 2008
16
by Adrian
Published 2006
17
by Taylor
Published 1999
18
by Dyke
Published 2001
19
by Andreescu
Published 2006
20
by Soifer
Published 2009