Volume 13, Issue 2, September 2005, Pages 305-325
K A El Shouny; Olfat H El Bagoury; K I.M Ibrahim; S A Al-Ahmad
Volume 13, Issue 2, September 2005, Pages 327-339
K A El-Shouny; Olfat H El-Bagoury; K I.M Ibrahim; S A Al-Ahmad