1
by Kleniewski
Published 2006
2
3
by Friedman, 1947-
Published 2013
4
by Ramanadham
Published 1991
5
6
7
by Walton
Published 1994
8
9
by Domar
Published 1989
10
11
12
Published 1994
13
by Chalmers
Published 1991
14
by نبي
Published 2000
15
16
17
by Arrighi
Published 2010