1
Published 2011
2
by Ray
Published 2009
3
by AFZAL
Published 2000
4
by Wang
Published 1992
5
by KERNIGHAN
Published 1984
6
by GLASS
Published 1999
7
by Deroest
Published 2000
8
by ARTHUR
Published 1997
9
by Quigley
Published 1999
10
by SHAH
Published 2000
11
by ANDREASSON
Published 1992
12
by GAY
Published 2000
13
by STEVENS
Published 1997
14
by STEVENS
Published 1998
15
by CHRISTIAN
Published 1994
16
by STEVENS
Published 2004
17
by MICHAEL
Published 2003
18
by PATE
Published 2003
19
by LEVINE
Published 1992
20
by Pipkin
Published 2003