Volume 57, Issue 131, October 2011, Pages 1-19
HANAA H.A. EL-MOSSALAMI; SHEREIN M. NOSIER; Y.A. ABDEL-HAKEIM
Volume 54, Issue 116, January 2008, Pages 119-132
A.H. SAAD; E.H. ABD EL-HAKIEM; SAMIA EL-ZENI; E.A. EL-NABARAWY