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1
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2
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3Published 1981“...HC 621 .R432...”
Book -
4Published 1987“...HC 670 .I5 .N5322...”
Serial -
5
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6
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7
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8
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9Published 1977“...HD 9018 .C7 .C734...”
Book -
10Published 1988“...HB 141.5 .N277...”
Book -
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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16Published 1987“...HC 256.6 .C178...”
Book -
17Published 1973“...HC 106.3 .C748 vol. 38...”
Conference Proceeding Book -
18
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19
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20