Volume 18, Issue 1-A, June 2007, Pages 75-85
N. T. EL-HAZEK; T. E. AMER; M. H. BADR; N. M. SHAWKY; D. I. ZAKY
Volume 18, Issue 1-A, June 2007, Pages 63-74
Volume 17, Issue 1-A, June 2006, Pages 147-159
K. RABIE; M. ABD El-MONEM; I. ISMAIL; O. HELALY; I. SALAMAA