http://id.loc.gov/authorities/subjects/sh85023021 lcsh https://data.bnf.fr/ark:/12148/cb11976439w rameau https://csic-primo.hosted.exlibrisgroup.com/permalink/f/dhf3c4/34CSIC_ALMA_AU9817825270604201 csic WWW LCSH, 29-9-2021; (Chemistry, Metallurgic) WWW RAMEAU, 29-9-2021; (Métallurgie extractive) WWW CSIC, 29-9-2021; (Metalurgia extractiva)