TY  - BOOK
AU  - Cox,George W.
AU  - Atkins,Michael D.jtauthor
TI  - Agricultural ecology: an analysis of World food production systems 
SN  - 0716710463
PY  - 1979///
CY  - San Francisco
PB  - W. H. Freeman
KW  - Agricultural ecology
KW  - Agriculture
N1  - Includes index and bibliography; Open access
ER  -