Solution of environmental policy in OKD, a.s., Mine Lazy, o.z. Orlova

by Gondek, H., Schellong, L., Marasová, Daniela
Source: 1. 7th Conference on environment and mineral processing, part II 1. Ostrava : Vysoká škola báňská - Technická univerzita, 2003 1. 8024802481 1. S. 67-69