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1Published 1995“...HC 681 .Z9 .E5 .P1168 1995...”
Conference Proceeding Book -
2Published 1991“...HC 595.55 .C968 1991...”
Book -
3Published 1997“...HC 681 .F745...”
Conference Proceeding Book -
4Published 1999“...HD 9018 .P16 .F0218 1999...”
Conference Proceeding Book