Volume 25.2, Issue 50, July 1991, Pages 108-114
A.M. ZAITOUN; T.A. EL-ALLAWY; I.S. ABDALLAH; A.A. EL-EBEEDY; S.I. EISSA; LAILA EL-SHABINY
Volume 4.2, Issue 8, May 1977, Pages 111-118
ALI, J. ZUBAIDY; I.M. ABUL-AZM; I.S. ABDALLAH; S.A.N. ZAFER