Volume 53, Issue 114, July 2007, Pages 1-9
A.M. Osman; S.H. Shehata
Volume 45.1, Issue 89, April 2001, Pages 289-302
M.M. Abd El-Hafeez; H.A. Abd El-Kader; A.M. Sayed; S.H. Shehata
Volume 38.2, Issue 76, January 1998, Pages 56-72
S.H. Shehata