Volume 51, Issue 105, April 2005, Pages 1-11
H.M.Z. YOUSEIF; K. EL-DEEN HUSSEIN; M.H.H. AWAAD
Volume 29.1, Issue 57, April 1993, Pages 62-72
S.A.A. EL-SHATER; A.A. BASSIOUNI; M.H.H. AWAAD; S.I. ESSIA; M.A.A. DARDEER