Volume 64, Issue 1, January 2013, Pages 1-7
Kh. El-Sh. Mohamed; S. R. Khalil
Volume 64, Issue 1, January 2013, Pages 8-12
Kh. El-Sh. Mohamed; K. S. El-Sogheir
Volume 63, Issue 4, October 2012, Pages 375-385
Kh. El-Sh. Mohamed; A. K.M. Soudi; M. H.A. Aly
Volume 63, Issue 4, October 2012, Pages 396-405
N. R. Ahmed; Kh. El-Sh. Mohamed; H. Ferweez