41
42
Published 1998
43
by Panic, M, 1935-
Published 1988
44
45
by Longworth, Richard C.
Published 1999
46
by Khor, Martin
Published 2000
47
Published 1998
48
by Montes, Manuel F.
Published 1999
49
by Olson, Gary L.
Published 1984
50
by Snider, Delbert A.
Published 1979
51
by Bhattacharya, Debesh
Published 1984
52
Published 2004
53
by Asher, Robert E, 1910-
Published 1957
54
Published 1994
55
by Hoekman, Bernard M, 1959-
Published 1995
56
by Nester, William R, 1956-
Published 1995
57
by McGuire, Martin C.
Published 1990
58
Published 1995
59
by Choucri, Nazli
Published 1976
60
by Williams, Marc
Published 1994