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1Published 1983“...HF 3968 .A9 .C645...”
Conference Proceeding Book -
2Published 1988“...HF 1416.6 .N5 .F892...”
Conference Proceeding Book -
3Published 1985“...HF 4030.5 .Z7 .A9 .V831 1985...”
Conference Proceeding Book -
4Published 1997“...HC 681 .F745...”
Conference Proceeding Book