TY  - BOOK
AU  - Norton George W, and others Ed.
TI  - Economics of agricultural development:  World food systems  and resource use   
SN  - 10:0415770459
U1  - U672(J3).1, P6 
PY  - 2006///
CY  - New York
PB  - Routledge         
KW  - Geography
N1  - Glossary p42-427
ER  -