41
by Brown, Lawrence A, 1935-
Published 1991
42
Published 1987
43
Published 1993
44
Published 1996
45
46
47
by Dobson, Wendy
Published 1992
48
Published 1989
49
by Raghavan, Chakravarthi
Published 1990
50
Published 1990
51
Published 1988
52
Published 1995
53
Published 1994
54
Published 1989
55
by Stuart, Robert C.
Published 1995
56
Published 1997
57
by Baer, Pavel
Published 1997
58
by Wilson, Rodney
Published 1992
59
Published 1991
60
by Haggard, Stephan
Published 1995