Volume 33.1, Issue 65, April 1995, Pages 193-200
N.H. SALEH; S.M. ZAABEL; S.A. ATALLA; A.S. SHALABY
Volume 33.1, Issue 65, April 1995, Pages 207-216
S.M. ZAABEL; S.A. HUSSEIN; N.H. SALEH; H.H. AWAD