W. C. Kerr
E. L. Gurevich, R. Hergenröder
John A. Hudson, Aldo Crugnola
Gwan-Soo Park, Hyuk-Il Kwon, Ki-Sik Lee [...]
J. P. Walters
Ahmed Hassan, Atef F. Hashem, Awny Sayed [...]
Ronald J. Burke
Peter Marris
F E Brown, J P Steadman
Nabil Hayeemasae, Kamaruddin Waesateh, Siriwat Soontaranon [...]
, Atef F. Hashem, Awny Sayed , Kamaruddin Waesateh, Siriwat Soontaranon 
