TY  - BOOK
AU  - Webster,R.
TI  - Quantitative and numerical methods in soil classification and survey
SN  - 0198545126
PY  - 1977///
CY  - Oxford: 
PB  - Clarendon Press, 
KW  - Soil
KW  - surveys
KW  - Statistical methods
KW  - Soils
KW  - Classification
N1  - Includes index
ER  -