TY - BOOK T1 - Extraction metallurgy A1 - Gilchrist, J. D. LA - English PP - Oxford PB - Pergamon Press YR - 1967 UL - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dfi.5859 OP - 291 KW - METALURGIA EXTRACTIVA KW - MINERALES ER -