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1Published 1989“...QC 981.8 .C5 .N279...”
Conference Proceeding Book -
2Published 1993“...QC 981.8 .C5 .N2795...”
Conference Proceeding Book -
3Published 1995“...QC 879.7 .A881...”
Conference Proceeding Book -
4Published 1997“...QC 880.4 .C64 .P578...”
Conference Proceeding Book