1
Published 2010
Journal
3
Published 1952
Journal
4
Published 1953
Journal
5
Published 1955
Journal
6
Published 1997
Journal
7
Published 1982
Journal
9
Published 1969
Journal
11
Published 2011
Journal
12
Published 1991
Journal
16
Published 2010
Journal
17
Published 2009
Journal
18
Published 1978
Journal
19
Published 1952
Journal
20
Published 2010
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