Volume 52, Issue 108, January 2006, Pages 128-143
EMAN KORASHY; H. GAD EL-RAB; SOHEIR ZEIN EL-ABDEIN
Volume 51, Issue 107, October 2005, Pages 1-12
EMAN KORASHY; SOHEIR ZEIN EL-ABDEIN; H. GAD EL-RAB
Volume 14.2, Issue 28, May 1985, Pages 79-85
F.A. ABOUL-KHIER; T. EL-BASSIONY; H. GAD EL-RAB