Volume 22.1, Issue 43, September 1989, Pages 30-39
A.M. EL-BAUOMY; ASHGAN, M. SALEM; S.E. EL-SADEK; M.I. MOURAD; M.I. ABDEL-AZIZ
Volume 17.2, Issue 34, September 1986, Pages 107-116
R. SOLIMAN; F.R. EL-SEEDY; H. EL-AGRAB; A.M. EL-BAUOMY; M.T. SHOUMAN