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1Published 1977“...HC 663 .S471...”
Conference Proceeding Book -
2Published 1980“...HV 5825 .E84...”
Government Document Conference Proceeding Book -
3
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4
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5Published 1987“...HM 511 .S678 1987...”
Book -
6Published 1985“...HE 147.5 .I61 2nd...”
Conference Proceeding Book -
7Published 1986“...HE 193 .T7727 1986...”
Book -
8
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9Published 1986“...HM 511 .A652 1986...”
Conference Proceeding Book -
10
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11
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12
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13Published 1988“...HE 193 .T7727 1988...”
Book -
14
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15