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1
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2Published 1978“...HC 687 .P3 .B181 1978...”
Book -
3
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4
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5
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6Published 1987“...HD 8690.8 .W129...”
Book -
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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14
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15Published 1982“...HC 683.5 .I011 1981...”
Conference Proceeding Book -
16
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17
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18
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19
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20