1
Published 1991
Journal
2
Published 1960
Journal
3
Published 1969
Journal
5
Published 1961
Journal
6
Published 1970
Journal
7
Published 1955
Journal
8
Published 1951
Journal
9
Published 1966
Journal
11
Published 1983
Journal
12
Published 1980
Journal
14
Published 1973
Journal
16
17
Published 1959
Journal
18
Published 1960
Journal
19
Published 1948
Journal
20
Published 1959
Journal