Published European procedures to river quality assessment by Naddeo V., Zarra T., Belgiorno V. paper_11_NADDEO_383.pdf
Published International overview on waste to biofuel options with a focsu on waste potentials in Germany and funding incentives in the EC by Kretzschmar J., Majer S., Kroeger M. 183-191_850_NRG_01_Kretzschmar_14-2.pdf