1
by Charatan
Published 2009
2
by Sestoft
Published 2005
3
by Niemeyer
Published 2005
4
by Smith
Published 2010
5
by Flynt
Published 2008
6
by Lewis
Published 2011
7
by Li
Published 2005
8
by Horstmann
Published 2010
9
by Burger
Published 2010
10
by Lewis
Published 2010
11
by Arnold
Published 2006
12
by Reges
Published 2011
13
by Liang
Published 2011
14
by Cadenhead
Published 2010
15
by Savitch
Published 2010
16
by Gaddis
Published 2010
17
by Bell
Published 2010
18
by Malik
Published 2010
19
by Lewis
Published 2012
20
by Wu
Published 2010