00440nam a2200133Ia 4500008004100000020001400041040004400055050001100099100001500110245010000125260003500225300001300260700003300273180412s9999||||xx |||||||||||||| ||und||  a120078228  aAhmadu Bello University Library - Zaria  aQD 505  aEley, D.D. 0aAdvances in catalysis and related subjectscedited by d.D. Eley, Herman Pines and Paul B. Weisz  aNew YorkbAcademic Pressc1972  aVol. 22.  aPines, Herman;Weisz, Paul B.