Volume 53, Issue 112, January 2007, Pages 1-13
NAGWA A. SAID; M. HASHAD; A.A. NADA; A. AL-QAEAWY; SAHER A. GALAL
Volume 52, Issue 111, October 2006, Pages 142-148
M. HASHAD; M. AL DUBAIB; K. AL KHERIJI; SAHER A.GALAL