41
42
by Parasuram, M.
Published 2007
43
by Silva, E. da
Published 2001
44
by Predko, Myke
Published 2005
45
46
47
48
by Kittel, Charles
Published 2005
49
by Nise, Norman S.
Published 2004
50
51
52
53
by Young, Barbara
Published 1997
54
by Sadler, A.J.
Published 1983
55
56
by MEW Group
Published 1995
57
by Floyd, Thomas L.
Published 1997
58
59
by Roth,Charles H., Jr.
Published 1995
60
by Smith, Ralph J.
Published 1987