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1
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2Published 1986“...HQ 1593 .W872 b...”
Book -
3
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4
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5
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6
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7Published 1975“...HQ 1206 .W872...”
Book -
8Published 1993“...HQ 1865.5 .W186...”
Book -
9
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10Published 1989“...HQ 1742 .G325...”
Conference Proceeding Book -
11
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12
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13
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14Published 1978“...HQ 1418 .N714...”
Book -
15
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16Published 1987“...HQ 759.48 .W872...”
Book -
17
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18
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19
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20