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1Published 1975“...HE 368.5 .A8 .N532...”
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2Published 1970“...HE 368.2 .W4 .W452...”
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3
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4
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5Published 1989“...HE 368.2 .Z6 .W4 .E61...”
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6
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7
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8Published 1990“...HE 368.2 .Z6 .W4 .E61 a...”
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9
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10Published 1995“...HE 336 .E3 .F437...”
Government Document Conference Proceeding Book -
11
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12
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13Published 1994“...HE 368.2 .U84...”
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14
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15
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16Published 2008“...HE 368.5 .A8 .N5325 2008...”
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17
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18