Kelepertzis, E., A. Argyraki, E. Daftsis, and D. Ballas. 2010. “QUALITY CHARACTERISTICS OF SURFACE WATERS AT ASPROLAKKAS RIVER BASIN, N.E. CHALKIDIKI, GREECE”. Bulletin of the Geological Society of Greece 43 (4):1737-46. https://doi.org/10.12681/bgsg.11359.