Volume 17.2, Issue 34, September 1986, Pages 159-167
H. SAMAHA; M. EZZAT
Volume 17.1, Issue 33, May 1986, Pages 44-51
A.H. FARID; H.A. TORKY; M.M. EL-NIMR; M.A. AKEULA; M. EZZAT
Volume 17.1, Issue 33, May 1986, Pages 96-103
S. EL-MAGAWRY; M. OKELA; M. EZZAT; H.M. EL-ATTAR