1
by Kernighan, Brian.
Published 1984
2
by Steven,W Richard
Published 1998
3
by Amir Afzal.
Published 2000
4
by Christian, Kaare
Published 1994
5
by Wang, Paul S.
Published 1993
6
7
by Sobell, Mark G.
Published 1995
8
by Afzal, Amir
Published 2003