Published Hydrochemical characteristics of the Gallikos River water, Prefecture of Kilkis, Greece by Mattas C., Soulios G., Panagopoulos A., Voudouris K. and Panoras A.
Published Environmental Impact Assessment and Integrated Water Resources Management by Manouris G. and Gioutsou A.
Published An environmental database for the status of freshwater in Greece by Tsouni A., Zervos N., Hadjibiros K. and Andreadakis A.