Volume 37, Issue 2, April 2014, Pages 199-206
A. Khalil; S. A. El-Agouz; Y. A. F. El-Samadony El-Samadony; M. A. Sharaf
Volume 36, Issue 4, October 2013, Pages 441-455
A. Khalil; E.A. Elshenawy; Y.A.F. El-Samadony; A.M. Salem