Volume 56, Issue 125, April 2010, Pages 1-15
M.M. ABD EL-LATIF; A.H. MOUSTAFA; R.A. EL-RAMADY
Volume 53, Issue 114, July 2007, Pages 133-154
A.A. RAMADAN; UMIMA M. MANSOUR; Y.G.M. ABD EL-HAFEIZ