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1Published 1991“...HN 670.3 .Z9 .S64 .G325...”
Conference Proceeding Book -
2Published 1989“...HQ 1742 .G325...”
Conference Proceeding Book -
3Published 1991“...HQ 1075.5 .I8 .R332...”
Book -
4
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5Published 1986“...HQ 1075.5 .E85 .R454 1986...”
Book