Eftimi, Romeo, Tete Akiti, Sokrat Amataj, Ralf Benishke, Hans Zojer, and Jovan Zoto. “Environmental Hydrochemical and Stabile Isotope Methods Used to Characterise the Relation Between Karst Water and Surface Water”. Acque Sotterranee - Italian Journal of Groundwater 6, no. 1 (March 31, 2017). Accessed July 28, 2021. https://acquesotterranee.net/index.php/acque/article/view/257.