TY  - BOOK
AU  - International Board for Soil Research and Management (IBSRAM)
TI  - Evaluation for sustainable land management in the developing world v.1 : towards the development of an international framework : proceedings of the international workshop, Chiang Rai, Thailand 15-21 September, 1991
PY  - 1991///
PB  - IBSRAM
ER  -