@article{Senik2014evolution,
author={Senik, E.. and Ivanov, M.. and Vinogradov, M.. and Taranov, R.. and Kozodaev, A.. and Ksenofontov, B.S. and Voropaeva, A..},
title={Evolution of Floatation Equipment for Sewage Treatment аnd Active Sludge Thickening},
journal={Safety in Technosphere},
publisher={INFRA-M Academic Publishing LLC.},
year={2014},
pages={58-73},
volume={3},
issue={5},
}