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1حسب Caenegem, R. C. van (Raoul C.)“...North-Holland Pub. Co. ; distributors for the U.S.A. and Canada, Elsevier/North Holland,...”
منشور في 1978
كتاب -
2حسب IJsewijn, J. (Jozef)“...North-Holland Pub. Co. ; sole distributors for the U.S.A. and Canada, American Elsevier Pub. ...”
منشور في 1977
كتاب