Kinds of sulfur in a coal and coke

by Chuishchev, Vadim V., Saranchuk, Viktor I., Vlasov, Genadiy A., Yatsenko, Olga A.
Source: 1. 8th Conference on environment and mineral processing, part I 1. Ostrava : Vysoká škola báňská - Technická univerzita, 2004 1. 80-248-0558-8 1. S. 61-66