Sokolova, E. I. Physicochemical investigations of sedimentary iron and manganese ores and associated rocks. - Jerusalem : Israel Program for Scientific Translations, 1964. - 219 p. : il. ; 24 cm Subjects--Topical Terms: Geología económicaHierroManganesoRecurso minero Index Terms--Genre/Form: Libro Universal Decimal Class. No.: 553.3(47)