Volume 49, Issue 98, July 2003, Pages 12-32
A.N. Sayed; G.M. Mosaad; H.Z. Rateb
Volume 49, Issue 98, July 2003, Pages 46-70
G.M. Mosaad; A.N. Sayed; D.R. Ibrahim
Volume 47.2, Issue 94, July 2002, Pages 95-111
A.N. Sayed; G.M. Mosaad; H.A. Abdel-Raheem