Volume 28.2, Issue 56, January 1993, Pages 128-139
M.M. EL-SHINNAWY; N.A. HUSSEN; M.M. EL-NIMR; A.Y.A. MOHSEN; A.A. ZAGHAWA; M.S. WASSEL; E.A. EL-EBIARY; F.F. ZAKI
Volume 28.2, Issue 56, January 1993, Pages 140-156
N.A. HUSSEIN; E.A. EL-EBIARY; A.A.M. NAWWAR; M.S. WASSEL