PITTA, E.; ZERI, C.; TZORTZIOU, M.; DIMITRIOU, E.; PARASKEVOPOULOU, V.; DASSENAKIS, E.; SCOULLOS, M.; ANAGNOSTOU, E. Dissolved Organic Matter Cycling in Eastern Mediterranean Rivers Experiencing Multiple Pressures. The Case of the Trans-Boundary Evros River. Mediterr. Mar. Sci. 2014, 15, 398-415.