Joaquín Balaguer
Wu, Shidao
Cho, Cha-yong.
Vsesoi͡u︡znoe litologicheskoe soveshchanie (7th 1981 Novosibirsk, R.S.F.S.R.)
Javert Prado Martins Filho
E. Meyenberg
Yi, Pyŏng-hŭi
J. B. Conti
Alberto Carneiro
Norbert Linz
Ulrik Lehrmann
T. K. Chertorizhskai͡a︡
Angelika Abel