Soil degradation : proceedings of the Land Use Seminar on Soil Degradation, Wageningen, 13-15 October 1980 /
sponsored by the Commission of the European Communities, Directorate-General for Agriculture, Coordination of Agricultural Research ; edited by D. Boels, D. B. Davies, A. E. Johnstone.
- Rotterdam : A.A.Balkema, 1982.
- 280 p.
Soil degradation.
Soil degradation.