Ekonomicheskie ocherki po redkim zemlyam
By: B.I. Kogan.
Publisher: Izd-vo Akademii naukSSSR
Published: 1961
Place of publication: Moskva
Language: rus
Notes: At head of title: Akademiya nauk SSSR, Institut mineralogii, geokhimii i kristallokhimii redkikh elementov.