Volume 32.2, Issue 64, January 1995, Pages 171-281
A. EL-Din ZAIN; A.S. SAYED; A.H. SADIEK
Volume 32.1, Issue 63, October 1994, Pages 164-176
A.H. SADIEK; M.E. RADWAN; A.S. SAYED
Volume 30.2, Issue 60, January 1994, Pages 186-193
M.N. ABD-EL-SALAM; H.S. ALI; A.H. SADIEK; A.M. ZAITOUN; A.S. SAYED; G.S. ABU-EL-ENEEN; F.A. ABD-EL-SALAM
Volume 21.1, Issue 41, January 1989, Pages 164-171
M.H. KARRAM; A.A. MOTTELIB; TH.S. NAFIE; A.S. SAYED