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1Published 1975“...HN 723.5 .S678...”
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2Published 1978“...HQ 555 .M37 .T772...”
Book -
3Published 1994“...HN 980 .W0111...”
Conference Proceeding Book -
4Published 1990“...HN 398 .S4 .S431...”
Conference Proceeding Book -
5Published 1988“...HQ 1784 .A658 w...”
Book -
6
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7
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8Published 1992“...HQ 1662 .W8722...”
Conference Proceeding Book