Volume 29, Issue 4, October 2012, Pages 1255-1270
A.M. El Shal
Volume 29, Issue 1, January 2012, Pages 101-116
M.I. Radwan; A.M. El Shal
Volume 27, Issue 2, April 2010, Pages 501-520
Mohammad H . Ahmed; M.A. Tawfik; A.M. El Shal
Volume 27, Issue 1, January 2010, Pages 54-74
M.S. El Shal; M.A. Tawfik; A.M. El Shal; K. A. Metwally
Volume 26, Issue 4, October 2009, Pages 1933-1951
Y.A. El Fawal; M.A. Tawfik; A.M. El Shal