Volume 25.2, Issue 50, July 1991, Pages 119-124
I.M. MOURAD; A.M. ZAITOUN; SH.M. AHMED; H.S. ALI
Volume 19.1, Issue 37, September 1987, Pages 154-159
I.M. MOURAD; M.H. KARRAM; TH.S. ABDEL ALL; F.A. ABDEL SALAM
Volume 17.2, Issue 34, September 1986, Pages 176-180
A.A. AMER; Th.S. ABDEL-ALL; I.M. MOURAD