TY JOUR TI ANALYSIS OF POLLUTANT EMISSIONS BY THE ENTERPRISE KW limestone KW gypsum stone KW production of gypsum and dry concrete mixes KW pollutant emissions JO Modern Technologies and Scientific and Technological Progress AU Biryukova, O.A. AU Filippova, T.M. PY 2022 IS 2022 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»