Volume 22.1, Issue 43, September 1989, Pages 1-7
A.K. OSMAN; S.M. ABUZEID; S.M. EL-NAHLA
Volume 22.1, Issue 43, September 1989, Pages 8-12
S.M. ABUZEID; S.M.M. EL-NAHLA; A.K. OSMAN; A.M. ERASHA
Volume 14.1, Issue 27, January 1985, Pages 1-7
A. HIFNY; A.M. KASSEM; A. EL-S. DOUGBAG; A.K. OSMAN; R.M. EL-BAKARY