@article{Lebedev2014research,
author={Lebedev, V.. and Gubanov, N.. and Tyger, L..},
title={Research into transient periodic processes of wastewater cyclotank aerobic treatment with biological sludge },
journal={Services in Russia and abroad},
publisher={Russian State University of Tourism and Service},
year={2014},
pages={117-129},
volume={8},
issue={4},
}