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1gan Folse, Henry J., 1945-“...North-Holland ; Sole distributors for the U.S.A. and Canada, Elsevier Science Pub. Co.,...”
Cyhoeddwyd 1985
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2Cyhoeddwyd 1986“...North-Holland for the Royal Danish Academy of Sciences and Letters ; Sole distributors USA and Canada, Elsevier Science Pub. Co.,...”
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