organized by the Commission of the European Communities, Directorate-General for Science, Research, and Development, DG XII/D, Environment Programme, Joint Research Centre, Environment Institute ; cosponsored by the Danish Centre for Atmospheric Research ; edited by Giambattista Restelli and Giovanni Angeletti
[sponsored by Working Group on Water Quality, U.S. Department of Agriculture ; coordinated by ASAE, The Society for engineering in agricultural, food, and biological systems]