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1
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2Published 1989Conference Proceeding Book
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3
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4Published 1990Conference Proceeding Book
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5Published 1991Conference Proceeding Book
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6Published 1992Conference Proceeding Book
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7Published 1993Conference Proceeding Book
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8
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9Published 1994Conference Proceeding Book
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10
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11
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12Published 2002Conference Proceeding Book
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13
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14
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15Published 2004Journal
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16
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17
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18