TY  - BOOK
AU  - Briggs,David
AU  - Courtney,F.M.
TI  - Agriculture and environment: the physical geography of temperature agricultural systems 
SN  - 0582004136
U1  - 630.912 
PY  - 1985///
CY  - Essex, Eng.
PB  - Longman Scientific & Technical, 
KW  - AGRICULTURA
KW  - TEMPERATURA DEL MEDIO AMBIENTE
ER  -