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1
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2Published 1993“...HD 60.5 .N5 .C737...”
Book -
3Published 1993“...HD 75.6 .B979...”
Conference Proceeding Book -
4Published 1992“...HC 79 .E5 .U582 1992...”
Conference Proceeding Book -
5Published 1987“...HD 1120.5 .Z63 .L253...”
Book