Volume 19.2, Issue 38, January 1988, Pages 173-182
A.A. EL-BADRY; I.M. SOKKAR
Volume 19.1, Issue 37, September 1987, Pages 114-121
S. EL-HAWAARY; I.M. SOKKAR
Volume 17.2, Issue 34, September 1986, Pages 238-244
I.M. SOKKAR; B. SALEM; T.Y. ABDEL-MOTELIB; M.M. TAHA; S.M. GERGES