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pro vyhledávání: '"Гелий Борисович Мелентьев"'
Publikováno v:
Transactions of the Karelian Research Centre of the Russian Academy of Sciences, Vol 0, Iss 10 (2019)
The results of mineralogical and geochemical studies and evaluations of the efficiency of small but rich in tantalum, beryllium and yttrium-earth metals pegmatite depositsin granite intrusions of various specializations are reported. Major commercial
Externí odkaz:
https://doaj.org/article/774f60df4ca148989aadf7bee0e7f68f
