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1Published 1991Conference Proceeding Book
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2Published 1990Conference Proceeding Book
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3Published 1993Conference Proceeding Book
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4Published 1994Conference Proceeding Book
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5
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6
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7Published 1998Conference Proceeding Book
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8Published 1999Conference Proceeding Book
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9
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10
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11Published 2002Conference Proceeding Book
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12Published 2003Conference Proceeding Book