41
42
43
44
45
46
47
48
49
50
by Lee, Mei Pheng
Published 2001
51
by Anderson, Paul V
Published 1999
52
by Heizer, Jay
Published 2001
53
by Weedy, B. M.
Published 1998
54
55
56
by Floyd, Thomas L.
Published 2002
57
58
59
by Floyd, Thomas L.
Published 2000
60
by King, Alistair
Published 2003