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1Published 1981“...HQ 1391 .N5 .W872...”
Conference Proceeding Book -
2
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3
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4Published 1988“...HQ 1121 .R438...”
Conference Proceeding Book -
5Published 1988“...HQ 1784 .A658 w...”
Book -
6
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7Published 1997“...HQ 1236.5 .O3 .P117 2nd...”
Conference Proceeding Book