Lessing, Paul Alan, 1949- The creep of magnesia and alumina doped with transition element impurities (Microform) by Paul Alan Lessing - Ann Arbor, Mich. University Microfilms International 1977 - 2 microfiches ; 11 x 15 cm. Thesis (Ph.D.)-University of Utah, 1976 ISBN: Y910041185 Subjects--Topical Terms: MagnesiaAluminium oxideCorundum