Volume 57, Issue 130, July 2011, Pages 1-11
Y.G.M. ABD EL-HAFEIZ; A.M. EL-SHERIF; K.N. METIAS
Volume 55, Issue 121, April 2009, Pages 1-10
Y.G.M. ABD EL-HAFEIZ; ABEER M. ANWAR; H.M. HASSEN
Volume 53, Issue 114, July 2007, Pages 133-154
A.A. RAMADAN; UMIMA M. MANSOUR; Y.G.M. ABD EL-HAFEIZ
Volume 51, Issue 105, April 2005, Pages 1-10
Y.G.M. ABD EL-HAFEIZ
Volume 51, Issue 104, January 2005, Pages 1-15
Y.G.M. ABD EL-HAFEIZ; M.R. BADR; M.E. ESSMAIL
Volume 50, Issue 103, October 2004, Pages 188-198
Y.G.M. ABD EL-HAFEIZ
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