Uusi-Kämppä, J., A. Närvänen, J. Kaseva, and H. Jansson. “Phosphorus and Faecal Bacteria in Runoff from Horse Paddocks and Their Mitigation by the Addition of P-Sorbing Materials”. Agricultural and Food Science, vol. 21, no. 3, Sept. 2012, pp. 247-59, doi:10.23986/afsci.6510.