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1Published 1991“...HQ 734 .M3588...”
Conference Proceeding Book -
2Published 1989“...HF 1592.5 .C5 .A0816...”
Conference Proceeding Book -
3Published 1996“...HE 311 .C6 .C539...”
Conference Proceeding Book -
4Published 1988“...HG 5782 .F7145 1988...”
Conference Proceeding Book