@inproceedings{inproceedings5c61d6cc,
title   = {Coal mining industry in brazil},
author = {Hennies, Wildor Theodoro and Fujimura, Fernando and Soares, Lindolfo},
year = {1995},
publisher = {Vysoka Skola Banska Technicka Univerzita Ostrava},
booktitle   = {Mezinarodni Vedecka Konference}
}