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1Published 1980“...HE 291 .S471...”
Conference Proceeding Book -
2Published 1983“...HE 297.5 .N532 a...”
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3Published 1982“...HE 291 .N532 l...”
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4Published 1982“...HE 276 .I59...”
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5
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6
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7
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8Published 1995“...HE 242 .R628...”
Conference Proceeding Book -
9
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10Published 1988“...HE 297.5 .R454 1988...”
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