1
2
by Fisher, Douglas, 1934-
Published 1980
3
by Harrod, Roy, Sir, 1900-
Published 1965
4
by Ahamed Kameel Mydin Meera
Published 2004
5
by Hoffmeyer, Erik
Published 1992
6
Published 1991
7
by Cowen, Tyler
Published 1994
8
Published 1996
9
by Kaldor, Nicholas, 1908-1986
Published 1989
10
by Walter, Andrew
Published 1993
11
12
by Gowland, David
Published 1990