Osovetskiy B. Ta-Nb AND TR-MINERALIZATION IN MESOZOIC-CENOZOIC SEDIMENTS OF THE UPPER KAMA BASIN AND PERSPECTIVES OF EXPANDING AND DEVELOPMENT OF MINERAL RESOURCES IN THE REGION. ВПФИЦ [Internet]. 2014 Jan. 15 [cited 2026 May 13];(3):96-108. Available from: https://journal-dev.icmm.ru/index.php/pscj/article/view/PSCJ2013n3p9