61
Published 1993
62
by Nguyen, Xuan Oanh
Published 1992
63
by Hoffmann, Lutz, 1934-
Published 1980
64
by Lipson, Charles
Published 1985
65
by Barrett, James R.
Published 1991
66
by Lim, Terence
Published 1994
67
by Tan, Cheng Leong
Published 1995
68
69
by Safarian, A. E.
Published 1983
70
by Bishop, Bernie
Published 2001
71
Published 1994
72
Published 1971
73
by Bradshaw, Michael
Published 1995
74
by Marber, Peter
Published 1998
75
Published 1995
76
Published 1994
77
78
Published 1990
79
by Welfens, Paul J.J.
Published 1994
80