Volume 12.2, Issue 24, September 1984, Pages 1-6
A.H.K. OSMAN; A.M. KASSEM; R. BERG
Volume 12.1, Issue 23, May 1984, Pages 22-28
R. BERG; A.M. KASSEM; A.K. HEMMODA; M. AMIN
Volume 12.1, Issue 23, May 1984, Pages 30-34
R. BERG; A.M.A. KASSEM; A.K. HEMMODA; M. AMIN