| Tekijät: | Koskela, Inkeri |
| Julkaisuaika: | 1983 |
| Nimeke: | Effect of sewage sludge on soil humus content. The influence of sewage sludge application on physical and biological properties of soils. Proceedings of a Seminar organized jointly by the EEC, Directorate-General Science, Research and Development and the Byerische Landesanstalt für Bodenkultur und Pflanzenbau, Munich, BRD, June 23-24. 1981 |
| Sivut: | p. 136-140 |