Volume 61, Issue 146, July 2015, Pages 170-178
ELDOSOKY NASSEF; WALIED ABDO; ELSAYED HEGAZI; ABDELNASER BAKR; WAEL GODA
Volume 51, Issue 105, April 2005, Pages 1-17
M.A. ABDEL-RAHMAN; G.M. MOSAAD
Volume 39.1, Issue 77, April 1998, Pages 242-257
A.N. Sayed