Não informado. (2014). Progress in the Science and Technology of the Rare Earths. Pergamon Press.
Chicago-referens (17:e uppl.)Não informado. Progress in the Science and Technology of the Rare Earths. Oxford, Inglaterra: Pergamon Press, 2014.
MLA-referens (8:e uppl.)Não informado. Progress in the Science and Technology of the Rare Earths. Pergamon Press, 2014.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.