BIALI, Gabriela. 2016. “MONITORING THE EFFECTS OF EXCESSIVE USE OF CHEMICAL FERTILIZERS ON UNDERGROUND WATERS BY USING THE GIS TECHNIQUE”. Studia Universitatis Babeș-Bolyai Geographia 61 (2):73-84. https://studia.reviste.ubbcluj.ro/index.php/subbgeographia/article/view/5649.