Volume 57, Issue 131, October 2011, Pages 1-20
AYA G. SAAD EL-DEEN; NEVEEN A. EL-NISR
Volume 53, Issue 112, January 2007, Pages 1-16
R.M.A. KHALIFA; AMANY I. HAMZA; M.I. ARAFA; NEVEEN A. EL-NISR; WAFAA G. MAHMOED
Volume 52, Issue 111, October 2006, Pages 163-178
HEBAT-ALLAH A. MOHAMED; MANAL H. THABIT; NEVEEN A. EL-NISR