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1
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2
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3
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4Published 1987“...HC 625 .I53 .G721...”
Journal -
5Published 1984“...HD 3790.4 .S927...”
Book -
6Published 1973“...HD 3616 .N53 .N532...”
Book -
7
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8Published 1988“...HD 4415.5 .S797...”
Book -
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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14
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15
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16
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17Published 1992“...HC 665 .C764...”
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19
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20