1
by Wilber
Published 2004
2
by Lumpkin
Published 2005
3
by Dintiman
Published 2003
4
Published 1998
5
by Hillman
Published 2005
6
by Boyle
Published 2004
7
by Sandler
Published 2005
8
9
Published 2010
10
by Gambetta
Published 2007
11
by Arnheim
Published 1993
12
by Lawrence
Published 2007
13
by Brzycki
Published 2005
14
by Hottenrott
Published 2007
15
by Wyatt
Published 2005
16
by Kumar
Published 2007
17
18
19
by McNeely
Published 2007
20
Published 2012