Lignite mining impact on soil at Lupoaia quarry

by Dumitrescu, Ioan, Matei, Aronel, Traista, Eugen, Bădulescu, Camelia, Mădălina, Ionica
Source: 1. 6th Conference on environment and mineral processing, part II 1. Ostrava : Vysoká škola báňská - Technická univerzita, 2002 1. 8024800721 1. S. 379-384