Volume 30.1, Issue 59, October 1993, Pages 114-122
A.B. HASSAN; G.A. SOLIMAN; H.A. EL-BANNA; IMAN M. MINA
Volume 29.2, Issue 58, July 1993, Pages 49-64
S.A.H. YOUSSEF; H.A. EL-BANNA; M.I. ABD EL-AZIZ; G.A. SOLIMAN