Ecological well-being of water sources as a factor of an industrial city sustainable developmentNadezhda Khodorovskaia, Vladislav Yachmenev, Anna Kravtsova, Svetlana Kraineva and Larisa DeryabinaE3S Web Conf., 258 (2021) 08007DOI: https://doi.org/10.1051/e3sconf/202125808007