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- 01/01/1996
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- 01/01/1993
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- 01/01/1995
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- 01/01/1997
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- 01/01/1988
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- 11/11/2011
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- 01/01/1997
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- 01/01/1988
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- 02/07/1999
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- Publication venue
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- 01/01/1996
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