Tourmaline-containing rocks and their environmental use

by Kovaničová, Ľubica, Čechovská, Katarína
Source: 1. 8th Conference on environment and mineral processing, part 2 1. Ostrava : Vysoká škola báňská - Technická univerzita, 2004 1. 80-248-0559-6 1. S. 17-22