openAccess 26-Jun-2013 Microbial Diversity and Its Relationship to Physicochemical Characteristics of the Water in Two Extreme Acidic Pit Lakes from the Iberian Pyrite Belt (SW Spain) Santofimia, Esther; González-Toril, Elena ; López-Pamo, Enrique; Gomáriz, María; Amils, Ricardo ; Aguilera, Ángeles artículo