TY  - BOOK
AU  - Briggs, David J. 
TI  - Agriculture and environment : : the physical geography of temperate agricultural systems / 
SN  - 0582004136
U1  - 630.912 
PY  - 1989///
CY  - Singapore : 
PB  - Longman, 
KW  - Agricultural ecology -- Periodicals.
N1  - Includes bibliographical references & Index.
ER  -