Mráz, M., and R. Šoltés. “Fallopia Japonica (Houtt.) Ronse Decr. As Bioindicator of Pollution in the Experimental Study Area Ružomberok”. Oecologia Montana 24, no. 2 (December 1, 2015): 41-49. Accessed July 23, 2019. https://om.vuvb.uniza.sk/index.php/OM/article/view/270.