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1
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2Published 1979Government Document Conference Proceeding Book
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3
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5
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6Published 1983Government Document Book
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7
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8
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11by Weigel, Randy R.Available online via OAK Trust Repository
Published 1982
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13Published 1991Government Document Book
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16Published 1993Government Document Book
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17Published 1989Government Document Conference Proceeding Book
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18Published 1993Government Document Book
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19
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20Published 1995Government Document Conference Proceeding Book