Laaksonen, P., Sinkkonen, A., Zaitsev, G., Mäkinen, E., Grönroos, T., & Romantschuk, M. (2017). Treatment of municipal wastewater in full-scale on-site sand filter reduces BOD efficiently but does not reach requirements for nitrogen and phosphorus removal. Environ Sci Pollut Res Int.

Laaksonen, Petteri, Aki Sinkkonen, Gennadi Zaitsev, Esa Mäkinen, Timo Grönroos, a Martin Romantschuk. "Treatment of Municipal Wastewater in Full-scale On-site Sand Filter Reduces BOD Efficiently but Does Not Reach Requirements for Nitrogen and Phosphorus Removal." Environ Sci Pollut Res Int 2017.

Laaksonen, Petteri, et al. "Treatment of Municipal Wastewater in Full-scale On-site Sand Filter Reduces BOD Efficiently but Does Not Reach Requirements for Nitrogen and Phosphorus Removal." Environ Sci Pollut Res Int 2017.