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1
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2
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3Published 1980“...HS 87 .P8 .P836...”
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5by Lake, W. R. A. (Wallace Robert Armstead), 1920-“...HV 485 .W5 .L192 1980...”
Published 1980
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10Published 1970“...HV 515.5 .Z8 .C2 .D598...”
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11Published 1979“...HV 485 .C5 .S678...”
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12Published 1979“...HS 87 .N5 .T772...”
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14Published 1988“...HQ 1883 .W872...”
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17Published 1991“...HV 4890.4 .A2 .R888...”
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18Published 1973“...HV 485 .P2 .P178...”
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20