Volume 53, Issue 113, April 2007, Pages 284-304
M.A. SALEH; M. ABDEL-SALAM; IBTISAM M.H. EL-MILEEGY
Volume 28.2, Issue 56, January 1993, Pages 246-254
A.M. ABD EL-FATTAH; A.M. SAYED; A.M. MANAA; A.EL-R. THABET; IBTISAM M.H. EL-MILEEGY