TY  - GEN
AU  - Lal, R. 
AU  - Blum, W.H. 
AU  - Stewart, B.A 
AU  - Valentine, C. 
TI  - Methods for assessment of soil degradation
SN  - 084937443X
U1  - 333.73137 
PY  - 1998///
CY  - London
PB  - CRS Press
KW  - Soil degradation
ER  -