@article{Kulikowska_2007,
title={BOD5 and COD removal and sludge production in SBR working with or without anoxic phase},
volume={98},
ISSN={0960-8524},
url={http://dx.doi.org/10.1016/j.biortech.2006.05.021},
DOI={10.1016/j.biortech.2006.05.021},
number={7},
journal={Bioresource Technology},
publisher={Elsevier BV},
author={Kulikowska,
Dorota and Klimiuk,
Ewa and Drzewicki,
A.},
year={2007},
month=may,
pages={1426–1432} }