%0 Journal Article
%T The changing landscape of elements being mined and beneficiated leading up to and beyond 2020, and what this could mean to sub-equatorial Africa and globally
%A Barcza
%A N.A.
%J Journal of Power and Energy Engineering 电力与能源
%D 2019
%U http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S2225-62532019000500001&lng=en&nrm=iso&tlng=en