Bumbac, Cristina - In: Revista de Economie Mondiala / The Journal of Global … 5 (2013) 1
Rare Earth Elements or Rare Earth Metals (REM) are a collection of seventeen chemical elements in the periodic table, namely scandium, yttrium and fifteen lanthanides. The term "rare earth" arises from the rare earth minerals from which they were first isolated. They are uncommon oxide-type...