Stamatis G. GROUNDWATER QUALITY OF THE AG. PARASKEVI/TEMPI VALLEY KARSTIC SPRINGS - APPLICATION OF A TRACING TEST FOR RESEARCH OF THE MICROBIAL POLLUTIO (KATO OLYMPOS/NE THESSALY). geosociety [Internet]. 2010 Jan. 25 [cited 2024 Oct. 19];43(4):1868-77. Available from: https://ejournals.epublishing.ekt.gr/index.php/geosociety/article/view/11378