TY  - BOOK
AU  - Clarke, G.R
TI  - Study of Soil in the Field
SN  - 0198541171
U1  - 631.4 
PY  - 1971///
CY  - Oxford
PB  - Clarendon Press
KW  - Agriculture and related technologies
KW  - Technology (Applied sciences)
KW  - Soils
ER  -