New flotation machines in the Polish copper industry

by Śmieszek, Z., Myczkowski, Z., Wieniewski, A., Skorupska, B.
Source: 1. 7th Conference on environment and mineral processing, part II 1. Ostrava : Vysoká škola báňská - Technická univerzita, 2003 1. 8024802481 1. S. 325-335