Published Hydrochemical characteristics of the Gallikos River water, Prefecture of Kilkis, Greece by Mattas C., Soulios G., Panagopoulos A., Voudouris K. and Panoras A. 251-258_448_VOUDOURIS_9-3.pdf
Published Environmental balance of salt production speaks in favour of solar saltworks by Sedivy V.M. 41-48_567_Sedivy.pdf