KLIMEK-KOPYRA, A., BARAN, A., ZAJĄC, T., & KULIG, B. (2015). EFFECTS OF HEAVY METALS FROM POLLUTED SOILS ON THE ROOTS AND NODULES FORMATION. Bulgarian Journal of Agricultural Science, 21(1), 295-299. https://agriacad.eu/ojs/index.php/bjas/article/view/5309