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1
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2Published 1977“...HG 5912 .E645...”
Serial -
3Published 1976“...HG 5912 .E64...”
Book -
4Published 1986“...HV 1559 .N5 .E81...”
Book -
5
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6
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7Published 1984“...HJ 2287 .N52 .E27...”
Book -
8Published 1990“...HD 9738 .N52 .E19...”
Book -
9Published 1991“...HV 515.5 .N277...”
Conference Proceeding Book -
10
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11Published 1974“...HD 9428 .N53 .W5 .B979...”
Book -
12
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13Published 1962“...HE 9788.5 .N5 .R425...”
Book -
14