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1Published 1972Conference Proceeding
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2Published 1986Conference Proceeding
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3
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4Published 1984Conference Proceeding Book
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5Published 1989Conference Proceeding Book
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6Published 1990Conference Proceeding Book
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7
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8Published 1992Conference Proceeding Book
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9Published 1975Conference Proceeding
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10Published 1983Conference Proceeding
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11Published 1985Conference Proceeding
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12
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13
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14Published 1982Conference Proceeding
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15
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16
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17
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18
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19