TY - CONF T1 - A New Approach to Solve Data Defects in Material Flow Networks TI - Informatics for Environmental Protection - Networking Environmental Information AU - Arco, Leticia AU - Bonet, Isis AU - García, Lourdes AU - Marx Gómez, Jorge AU - Rautenstrauch, Claus PY - 2005/// SN - 80-210-3780-6 PB - Masaryk University Brno SP - 724 EP - 731 ER -