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1Published 1993“...QC 981.8 .G56 .T772...”
Conference Proceeding Book -
2Published 1994“...QC 981.8 .C5 .R7448...”
Conference Proceeding Book -
3Published 1989“...QC 912.3 .E566...”
Conference Proceeding Book -
4Published 1996“...QC 981.8 .C5 .E19...”
Conference Proceeding Book