1
Published 2001
2
Published 1949
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3
Published 1985
4
Published 1967
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5
6
Published 2003
7
Published 2000
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8
Published 1984
9
10
Published 1996
11
Published 1996
12
13
14
Published 1984
15
Published 1980
16
Published 1983
17
18
Published 2001
19
Published 1993
20
Published 1990