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1
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2
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3Published 1977Conference Proceeding Book
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4
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5
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6Published 1986Conference Proceeding Book
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7Published 1986Conference Proceeding Book
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8Published 1988Conference Proceeding Book
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9Published 1990Conference Proceeding Book
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10Published 1991Conference Proceeding Book
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11Published 1991Conference Proceeding Book
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12
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13
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14Published 1996Conference Proceeding Book
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15
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16
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17Published 2001Conference Proceeding Book
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18Published 2001Conference Proceeding Book
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19
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20