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1
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2
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3Published 1982“...HD 6055.6 .N52 .H3 .E55...”
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4
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5Published 1980“...HD 6053 .N532 wd...”
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6
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7
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8
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9
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10
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11
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12
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13
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14Published 1982“...HN 980 .W872...”
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16
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18Published 1974“...HD 6055 .S678...”
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19
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20