TY  - BOOK
AU  - Briggs David J
AU  -  Courtney Frank M
TI  - Agriculture and environment :  The physical geography of Temperate Agricultural System   
U1  - U672(J):(G:55), M5 
PY  - 1985///
CY  - London
PB  - Longman U K        
KW  - Agricultural Geography
N1  - Bib p. 395-434
ER  -