http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Treatment and use of sewage sludge and liquid agricultural wastes
Directorate-General for Science, Research, and Development.
xi, 560 pages : illustrations, maps ; 23 cm.
Proceedings of a symposium held in Athens, Greece from Oct. 1-4, 1990 and organised jointly by the Commission of the European Communities, Directorate-General for Science, Research, and Development and the National Technical University of Athens, Division of Water Resources.
Includes bibliographical references and index.