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5
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6
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8
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9Published 1987“...HC 625 .I53 .G721...”
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11Published 1984“...HD 3790.4 .S927...”
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13
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14
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15
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16
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17Published 1981“...HD 2756.2 .U5 .C755...”
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19Published 1979“...HD 2777 .I42...”
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20