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1
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2Published 1949“...HG 8734.6 .R425...”
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3Published 1955“...HD 7262.5 .N5 .S797...”
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4
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5Published 1954“...HG 3883 .N5 .R425...”
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6Published 1954“...HF 4030.5 .A1 .S7974...”
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7Published 1964“...HA 3173 .R425...”
Journal