1
by Littlewood, Michael
Published 1988
2
by Littlewood, Michael
Published 1986
3
by Reid, Grant W.
Published 1987
4
by Lyle
Published 1985
5
Published 1990
6
by Bache, D. H.
Published 1984
7
by Ambasz, Emilio.
Published 1976
8
by Cartwright, Richard M.
Published 1980
9
by Downing, M. F.
Published 1977
10
Published 1972
11
by Rubenstein, Harvey M.
Published 1980
12
13
Published 1978
14
by Chaniago, Darwin
Published 1980
15
Published 1993
16
by Strom, Steven
Published 1997
17
by Cantor, Steven L.
Published 1997
18
19
Published 1980
20
by Handisyde, Cecil C.
Published 1976