机译:CONTEMPORARY TRENDS IN EVALUATION AND CALCULATION OF DUST IN THE WORLD
Department of Ecology and Environmental Protection, University "Prof. Dr. Assen Zlatarov", 1 Prof Yakimov Street, 8010 Burgas, Bulgaria;
Department of Industrial Technology and Management, University 'Prof Dr. Assen Zlatarov", 1 Prof Yakimov Street, 8010 Burgas, Bulgaria;