Soós, B., G. Heltai, O. Szécsy, M. Horváth, and I. Fekete. “Environmental Analysis of Water and Sediment Samples in Lake Mezőlak and Marcal River”. Review on Agriculture and Rural Development, vol. 2, no. 1, Jan. 2013, pp. 438-43, https://iskolakultura.hu/index.php/rard/article/view/13351.