Volume 35.1, Issue 69, April 1996, Pages 157-168
SOAD, M. SOLIMAN; AFAF HAMDY; WAFAA, A. ZAGHLOUL; F. EL-BORDINY
Volume 33.1, Issue 65, April 1995, Pages 231-239
ABOU-ZEID, A. ABOU-ZEID; AHMED, A. EL-SAYED; AHMED BAKER; ENSAF, M. KHASHABAH; F. EL-BORDINY; S. EL-ASILY