Rajmund, Agnieszka, Franciszek Czyżyk, Anna Paszkiewicz-Jasińska, and Marek Kopacz. “The Leaching of Mineral Nitrogen Forms from Light Soil Fertilized With Compost and Sewage Sludge”. Geology, Geophysics and Environment 44, no. 3 (August 7, 2018): 319. Accessed May 3, 2024. https://journals.agh.edu.pl/geol/article/view/2728.