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1Published 1985“...HD 6000.4 .A6 .E55...”
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2Published 1982“...HD 8930.5 .T531...”
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3Published 1981“...HD 5713.6 .N5 .N532...”
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4
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5Published 1922“...HD 5100 .N532 p...”
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6
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7
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8Published 1968“...HD 6901 .N532...”
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9Published 1982“...HD 4885 .N5 .A652...”
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10Published 1987“...HD 7287.82 .N5 .I43...”
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11Published 1988“...HD 5715.5 .N5 .R425...”
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12
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13Published 1987“...HC 670 .S9 .E55...”
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14
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15
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16
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17
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18Published 1975“...HD 3622 .N5 .N532...”
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19
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20