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1منشور في 1991“...Elsevier for the Institute of Tribology, Leeds University and the Institute national des sciences appliques de Lyon ; Distributors for the United States and Canada, Elsevier Science Pub. ...”
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2منشور في 1990“...Elsevier for the Institute of Tribology, Leeds University and the Institut national des sciences appliquees de Lyon ; Distributors for the United States and Canada, Elsevier Science Pub. ...”
وقائع المؤتمر كتاب