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1Published 1979Conference Proceeding Book
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2Published 1982Conference Proceeding Book
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3Published 1986Conference Proceeding Book
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4Published 1990Conference Proceeding Book
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5
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6Published 1990Conference Proceeding Book
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7
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8
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9
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10Published 1995Conference Proceeding Book
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11Published 1996Conference Proceeding Book
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12
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13
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14Published 2000Conference Proceeding Book
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15Published 2001Conference Proceeding Book
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16
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17
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18
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19
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20