Volume 38.1, Issue 75, October 1997, Pages 169-184
N.A. ABD EL WANIS; AFAF H. AMIN; MS. MADKOUR; ENSAF M. KHASHABAH
Volume 37.1, Issue 73, April 1997, Pages 247-260
M.S. WASSEL; K.A. ELIAN; F.F. ZAKI; ELHAM A. EL-IBIARY
Volume 36.2, Issue 72, January 1997, Pages 105-123
ELHAM, A. EL-EBIARY; SUSAN, S. EL-MAHDY; M. H. KHODEIR