The Influence of sewage sludge application on physical and biological properties of soils : proceedings of a seminar organized jointly by the Commission of the European Communities, Directorate-General for Science, Research, and Development and the Bayerische Landesanstalt für Bodenkultur und Pflanzenbau, Munich, Federal Republic of Germany, held in Munich, June 23-24, 1981 / edited by G. Catroux, P. L'Hermite, and E. Suess. - Dordrecht, Holland ; Boston : Hingham, MA : D. Reidel Pub. Co. ; Sold and distributed in the U.S.A. and Canada by Kluwer Boston, c1983. - vii, 253 p. : ill. ; 24 cm.