Volume 10.1, Issue 19, June 1982, Pages 41-49
G.A.R., KMAR; M.M.H. EL-SHAFIE; M.M. EL-NADI; M.S. SAMY
Volume 9, Issue 17.18, January 1982, Pages 47-52
K.S.A. EASA; A.S. EL-SHEIKH; G.A.R. KAMAR; M.S. SAMY