81
by McCutcheon
Published 1987
82
by Asher
Published 1983
83
by Liao
Published 1994
84
by Henkel
Published 1976
85
by Wildt
Published 1978
86
by Kim
Published 1978
87
by Newbury
Published 1985
88
by Liebetrau
Published 1983
89
by Namboodiri
Published 1984
90
by Thompson
Published 1984
91
by Berry
Published 1985
92
by Achen
Published 1982
93
by Kalton
Published 1983
94
by Aldenderfer
Published 1984
95
by Aldrich
Published 1984
96
Published 2011
97
by Hirsch
Published 2000
98
Published 1975
99
by Cohen
Published 1979
100
by Klaus, Hinkelmann
Published 2008