TY  - BOOK
AU  - Douglas,Malcolm
TI  - Sustainable use of agricultural soils : : a review of the prerequis ites for success or failure / 
PY  - 1994///
CY  - Berne : 
PB  - University of Berne, 
KW  - Sustainable development
KW  - Addresses, essays, lectures
KW  - Sustainable agriculture
KW  - Soils
KW  - Land use
N1  -  Includes bibiographical references
ER  -