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1
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2Published 1976“...HJ 9679 .J74...”
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3Published 1982“...HF 1630.5 .A9 .P965...”
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5
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6
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7
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8
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9
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14Published 1907“...HD 7288.78 .N5 .N532...”
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15Published 1976“...HD 6061 .N5325...”
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16
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17
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18Published 1988“...HG 9981 .R454...”
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19Published 1994“...HC 670 .E5 .N5322...”
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20