TY  - BOOK
AU  - Clarke G R
TI  - The Study of soil in the field
SN  - 0198541171
U1  - U672(J:1), L1 
PY  - 1971///
CY  - Oxford
PB  - Clarendon Press USA        
KW  - Agricultural Geography
N1  - Bibliography p. 139-41; Index:P143-44
ER  -