Volume 58, Issue 132, January 2012, Pages 1-15
H.A. SHALABY; S.A. TAWFIK; AZZA A.A. HASSAN
Volume 55, Issue 122, July 2009, Pages 1-16
R.A. EL-RAMADY; DOAA A.H. EL-MATARY; K.A. DEEB; S.A. TAWFIK
Volume 55, Issue 120, January 2009, Pages 1-16
S.A. TAWFIK; R.A. EL-RAMADY; H.A. SHALABY; S.S.S. YONIS
Volume 54, Issue 119, October 2008, Pages 1-20
H.A. SHALABY; S.A. TAWFIK; R.A. EL-RAMADY; S.S.S. YONIS
Volume 54, Issue 118, July 2008, Pages 1-12
S.S.S. YOUNIS; S.A. TAWFIK; R.A. EL-RAMADY; H.A. SHALABY