Volume 39.1, Issue 77, April 1998, Pages 258-267
A.A. Ahmed; Ahlam A. El-Leboudy; A.M. Nazem; A.A. Amer
Volume 4.1, Issue 7, January 1977, Pages 161-169
T.H. Moastafa; A.A. Ismail; A.A. Ahmed; Y.Y. Kamel
Volume 3, Issue 5, May 1976, Pages 79-85
T. A. El Bassiony; A.A. Ahmed
Volume 2, Issue 3.4, May 1975, Pages 167-180
Y. Y. Kamel; A. A. Ismail; A.A. Ahmed; T.H. Moustafa; M.S. Mahmoud
Volume 1, Issue 1.2, May 1974, Pages 75-84
A.A. Ahmed; M. Abu-Gabal; S.M. Enab; T.H. Moustafa