1
Published 2001
2
Published 1994
3
4
Published 2002
5
6
Published 2007
7
Published 2007
8
Published 2006
9
Published 2003
10
Published 2001
11
Published 1980
12
Published 2001
13
Published 1996
14
15
Published 2004
16
Published 2001
17
Published 2005
18
by Bardes, Barbara A.
Published 2002
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20
Published 2003