Volume 53, Issue 113, April 2007, Pages 1-13
A.A. ABDEL-RAHMAN; FATMA A. MOUSTAFA; MANAL H. THABT; NEVEEN A. AHAMD
Volume 52, Issue 108, January 2006, Pages 321-335
A.A. ABDEL-RAHMAN; FATMA A. MOUSTAFA; NEVEEN A. HAMD