TY  - BOOK
AU  - Boels, D. ed.
AU  - Davies, D.B., ed.
AU  - Johnston, A.E., ed.
TI  - Soil degradation : proceedings of land use seminar on soil degradation / Wageningen /13 - 15 October 1980
PY  - 1981///
CY  - Oxon
PB  - CABI Publishing
ER  -