Volume 20.2, Issue 40, September 1988, Pages 103-108
AHMED A-H. AHMED; H.A. ABDEL-RAHMAN; M.K. MOUSTAFA
Volume 12.2, Issue 24, September 1984, Pages 151-159
H.A. ABDEL-RAHMAN; H. YOSSEF; Y. HEFNAWEY
Volume 12.2, Issue 24, September 1984, Pages 169-177
REEM M. DOSOKEY; Y.Y. KAMEL; H.A. ABDEL-RAHMAN; F.A. AHMED