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4
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5
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8Published 1937“...HQ 1101 .W872 ta...”
Journal -
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11
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12
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13
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15Published 1976“...HQ 1865.5 .W872 s...”
Conference Proceeding Book -
16
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18Published 1985“...HA 3185 .P964...”
Book -
19Published 1982“...HD 6055.6 .N52 .H3 .E55...”
Book -
20