Jonczak, J., Parzych, A., & Sobisz, Z. (2014). Dynamics of Cu, Mn, Ni, Sr and Zn release during decomposition of four types of litter in headwater riparian forests in northern Poland. Leśne Prace Badawcze, 75(2), 193–200. https://doi.org/10.2478-frp-2014-0018