Published European procedures to river quality assessment by Naddeo V., Zarra T., Belgiorno V. paper_11_NADDEO_383.pdf
Published Water resources and groundwater quality in North Peloponnesus (Greece) by Voudouris K.S., Daskalaki P., Antonakos A. paper_15_Voudouris_302.pdf
Published Some important ecological aspects of the Directive 2000/60 by Hadjibiros K. paper_14_Hadjibiros_297.pdf