Volume 23.1, Issue 45, April 1990, Pages 200-210
A.S. SALEH; M.A. ALI; S.M. SELEIM; I.H. AHMED
Volume 22.2, Issue 44, January 1990, Pages 167-173
A.S. SALEH; A. EL-SEBAIE; M.A. ALI; H.A. YOUSSEF
Volume 22.2, Issue 44, January 1990, Pages 174-177
F.M. MAKADY; A.S. SALEH; S.M. SELEIM
Volume 22.1, Issue 43, September 1989, Pages 176-183
M.A. SELEIM; A.S. SALEH; F.M. MAKADY
Volume 19.2, Issue 38, January 1988, Pages 149-155
M.A. ALI; A.S. SALEH; A. EL-SEBAIE; H.A. YOUSSEF