1. 5th International Symposium on the Reclamation, Treatment and Utilization of Coal Minig Wastes & 3rd Conference on Environment and Mineral Processing
5th International Symposium on the Reclamation, Treatment and Utilization of Coal Minig Wastes & 3rd Conference on Environment and Mineral Processing : 11-13 September, Ostrava - Poruba, Czech Republic Part 2 . Ostrava : Vysoká škola báňská - Technická univerzita, 1996. s. 361-604, [14] s.