Volume 26.2, Issue 52, January 1992, Pages 171-180
M.M. KASSEM; A.A. KENAWY; S.R. NOUH; M.M. HASSIEB; A.E. BIYOMI; A.A. EL-SWAK
Volume 21.1, Issue 41, January 1989, Pages 184-189
F.M. HUSSEIN; M.M. HASSIEB
Volume 11.2, Issue 22, January 1984, Pages 93-99
A.R. KHATER; S. DEEB; A.H. BAYOUMI; M.M. HASSIEB