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1
Published 1990

Book
2
Published 1979

Book
3
Published 1977

Book
4
Published 1975

Book
6
7
Published 1990

Conference Proceeding Book
9
Published 1981

Conference Proceeding Book
11
Published 1978

Book
12
Published 1976

Book
13
Published 1985

Book
14
Published 1977

Conference Proceeding Book
15
Published 1977

Conference Proceeding Book
16
Published 1980

Conference Proceeding Book
17
Published 1995

Book
18
Published 1973

Conference Proceeding Book
19
Published 1987

Conference Proceeding Book
20
Published 1983

Conference Proceeding Book