+++Mineral Processing and Extractive Metallurgy Rev спасибо

[mishanya_andr]

1 статья:

Extraction of Niobium and Tantalum from Nitrate and Sulfate Media by Using MIBK
авторы: Omneya Mohamed El-Hussainia; Mohamed Abd El-Hakam Mahdya
Mineral Processing and Extractive Metallurgy Review, Volume 22, Issue 2 2001 , pages 633 - 650

DOI:

http://dx.doi.org/10.1080/08827509808962519

заранее спасибо

[eFo]