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Published 1991
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Published 1992
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Published 1982
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Published 2002
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by Ledesma, Charles de
Published 2000
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29
Published 2001
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by Davidson, Paul J.
Published 1995
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Published 2001
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Published 2001
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Published 1996
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Published 1994
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Published 2001
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Published 2007
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37
Published 1967
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Published 1997
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Published 1997
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by Allen, C. G.
Published 1999