New data on rare element mineralogy : Authorised translation from the Russian. Ginzburg, Anna Il'iniehna. Vsesoiuznyi nauchno-issledovatel�ski�i institut mineral�nogo syr�ia (Soviet Union) Rare earth metals. 549 GIN Translation of Novye dannye po mineralogii mestorozhdenii redkikh elementov. A collection of reports issued by the All-Union Scientific Research Institute of Mineral Ores (VIMS). Bibliography p.130-140. New York : Consultants Bureau, [1963]. [1963]. 1963 Text 140 p. : eng engrus