- XVII workshop December 13-15, 2017
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XVI workshop December 9-11, 2015
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XV workshop September 21-23, 2011
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XIV workshop September 2-4, 2008
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XIII workshop September 20-22, 2006
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XII workshop September 29 - October 1, 2004
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XI workshop September 26-28, 2002
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X workshop September 25-27, 2000
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IX workshop September 28-30, 1998
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VIII workshop September 25-27, 1996
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VII workshop March 28-30, 1994
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VI workshop April 5-8, 1993
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V workshop April 13-15, 1992
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IV workshop March 25-28, 1991
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III workshop April 9-11, 1990
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II workshop March 20-22, 1989
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I workshop March 28-30, 1988