Yugoslavia (Milan Trkulja)

Argentina (C.O. Keller Sarmiento)
Libya (M. Sidki Zehni)
Brazil (A.F.M. de Freitas)
Pakistan (M.P. Masud)
Guinea (J.S. Camara)
Sudan (S.S. Ahmed El Sayed)
India (Ramadhar)
Sweden (G. Ericsson)
Kenya Q.L. Lijoodi)
United States of America (R.A. Sorenson)