1
Published 1984
2
Published 1975
3
4
Published 1995
5
Published 2005
6
7
Published 1977
8
Published 1985
9
Published 1989
10
Published 1984
11
Published 1983
12
13
Published 1982
14
Published 1986
15
16
Published 1994
17
Published 2006
18
Published 2004
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19
Published 2007
20
Published 1985