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1Published 1981Conference Proceeding Book
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2Published 1978Conference Proceeding Book
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3Published 1981Conference Proceeding Book
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4Published 1988Conference Proceeding Book
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5Published 1988Conference Proceeding Book
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6Published 1990Conference Proceeding Book
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7
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8Published 1993Conference Proceeding Book
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9Published 1990Conference Proceeding Book
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10
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11