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1Published 1979“...HE 199.9 .S989...”
Conference Proceeding Book -
2Published 1986“...HD 6976 .T72 .N5 .I42...”
Book -
3Published 1986“...HD 6976 .T72 .N5 .I42...”
Book -
4
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5Published 1995“...HE 152.5 .T772...”
Conference Proceeding Book