Volume 11.2, Issue 22, January 1984, Pages 21-26
M.N.M. SALEH; R.S. MOHAMMED; A.F.M.M. HASSANEIN; A.A. SELIM
Volume 8, Issue 15.16, January 1981, Pages 27-32
M.N.M. SALEH; R.S. MOHAMMED; M.T. WAHBA
Volume 8, Issue 15.16, January 1981, Pages 33-38
R.S. MOHAMMED; M.N.M. SALEH; M.T. WAHBA