1
by Mayor, Federico
Published 1999
2
by Abbot, Chris
Published 2007
3
by Black, Jeremy
Published 2004
4
by Celente, Gerald
Published 1997
5
by Hammond, Allen
Published 1998
6
by Mazarr, Michael J, 1965-
Published 1999
7
by McRae, Hamish
Published 1994
8
by Kennedy, Paul M, 1945-
Published 1994
9
by McRae, Hamish
Published 1994
10
by Mazzar, Michael J.
Published 1999
11
12
13
14
Published 2000
15
by Kennedy, Paul
Published 1993
16
by Hirst, Paul
Published 2001
17
by Pearson, Simon
Published 1999
18
Published 1994
19
20
by Hawken, Paul
Published 2000