1.
Cieślewicz J, Kobierski M, Cichosz M. Geochemical assessment of lake sediments in protected areas in Poland – a search for reference condition. jlimnol [Internet]. 26Jun.2017 [cited 22May2019];77(1). Available from: https://www.jlimnol.it/index.php/jlimnol/article/view/jlimnol.2017.1582