2
Published 1997
Journal
3
Published 1991
Journal
4
Published 2009
Journal
5
Published 1991
Journal
6
Published 1994
Journal
8
Published 2008
Journal
9
Published 2008
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Journal
10
Published 2008
Serial
13
Published 1981
Journal
15
Published 1996
Journal
16
Published 1992
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Journal