00808naa#a2200193#i#450# EN\\bibl\85348 20260309112609.1 1994-5655 20240712b2024####ek#y0engy0150####ca RU U/Pb age and sources of detrital zircon from Upper Riphaean sandstones of the Nemskaya Upland (South Timan) Journal article Syktyvkar FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences" 2024 10 с. Journal article local Методы определения абсолютного геологического возраста или времени. 550.93 Grakova O. V. Nikulova Natal'ya Yur'evna Khubanov Valentin Borisovich ras.editorum.ru