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1Published 1986“...HC 59 .W9276...”
Serial -
2Published 1988“...HD 7391 .R425...”
Serial -
3
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4
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5
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6
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7
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8
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9Published 1990“...HC 681 .Z9 .E5 .R336...”
Conference Proceeding Book -
10
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11
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12Published 1981“...HD 1491 .T6 .D489...”
Book -
13Published 1990“...HC 685.5 .Z9 .E5 .C737...”
Book -
14
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15
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16Published 1996“...HD 9768 .P16 .M689 1996...”
Book -
17
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18
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19Published 1994“...HC 683.5 .A1 .D489...”
Serial -
20