TY  - BOOK
AU  - Webster, R.
TI  -  Quantitative and numerical methods in soil classification and survey
SN  - 0198545126 :
U1  - 631.4/7 
PY  - 1977///
CY  - Oxford,  New York
PB  - Clarendon Press
KW  - Soil surveys
KW  -  Statistical methods
KW  - Soils
KW  -  Classification
N1  - Includes bibliographies and indexes
ER  -