1
2
3
4
by McTaggart, Douglas.
Published 1996
5
by Sloman, John
Published 1997
6
by Begg, David
Published 1997
7
by Sloman, John
Published 1999
8
Published 1990
9
10
11
by Burnett, Brian
Published 2000
12
13
14
by Turner, Clive.
Published 2003
15
by Ghani Salleh.
Published 2000
16
17
18
by Ember, Carol R.
Published 1999
19
20
by Keenan, Denis.
Published 2000