Volume 2007, Issue 12, November and December 2007, Pages 47-61
R. M. ABOU SHAHBA; A. S. AHMED; E. M. ATTIA; A. E. EL- SHENNAWY
Volume 2007, Issue 6, May and June 2007, Pages 189-205
R. M. ABOU SHAHBA; A. S. AHMED; E. v ATTIA; A. E. EL-SHENNAWY
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