Megalovasilis P, Godelitsas A, Papastergios G, Filippidis A. ENVIRONMENTAL GEOCHEMISTRY OF PTOLEMAIS LIGNITES, INTERMEDIATE STERILES, AND COMBUSTION PRODUCTS. geosociety [Internet]. 2016 Jul. 28 [cited 2024 Oct. 19];50(4):2241-50. Available from: https://ejournals.epublishing.ekt.gr/index.php/geosociety/article/view/14280