Improvement of mine productivity and overall economy by modern technology
World Mining Congress (13. 1987 Stockholm) G Almgren; I Berge; R Matikainen
Rotterdam ; Boston A A Balkema 1987
Localização:
EPBC - Esc. Politécnica-Bib Central
(622.003.1 W893 13. v.2 ) e outros locais(Acessar)