Volume 35.2, Issue 70, July 1996, Pages 39-46
A.M. KAMEL; N.H. SALEH; S.A. ATALLAH; O.A. ABD-ALLAH
Volume 35.1, Issue 69, April 1996, Pages 123-131
AMANY A.M. ABD-ALLAH; M. A. EL-FADALI
Volume 35.1, Issue 69, April 1996, Pages 132-144
F.M. ALLAM; S.H. SHEHATA