2
3
Published 1961
Record Source: Published Materials
Journal
4
Published 1987
Record Source: Published Materials
Book
6
7
Record Source: Published Materials
Journal
9
Published 1975
Record Source: Published Materials
Journal
11
Published 1973
Record Source: Published Materials
Journal
12
13
Published 1979
Record Source: Published Materials
Journal
14
Published 1985
Record Source: Published Materials
Journal
15
Published 1994
Record Source: Published Materials
Journal
16
Published 1992
Record Source: Published Materials
Journal
18
20
Published 1997
Record Source: Published Materials
Book