GENETIC TYPES OF RARE-METAL MINERALIZATION IN MONGOLIA = UNE CLASSIFICATION GENETIQUE DES MINERALISATIONS EN TERRES RARES EN MONGOLIEKOVALENKO VI; ZAYTSEV NS; YANSHIN AL et al.1981; INT. GEOL. REV.; ISSN 0020-6814; USA; DA. 1981-07; VOL. 23; NO 7; PP. 857-864; BIBL. 28 REF.Article

DEPOSIT OF PHOSPHORITES AT UKHAGOL, EASTERN SAYANVOLKOV RI; ZAYTSEV NS; ZAJTSEV NS et al.sdINTERNATIONAL. GEOL. REV.; U.S.A. TRAD. DU RUSSE: SOVETSK. GEOL., S.S.S.R., 1972, NO 2,1972, VOL. 14, NUM. 0009, P. 974 A 983Miscellaneous