TY  - GEN
AU  - Castalonge, Oliver W.
TI  - Agricultural systems: economics, technology and diversity 
SN  - 9781606920251 (hbk.)
AV  - S494.5.S95 A374 2008
U1  - 630 
PY  - 2008///
CY  - New York
PB  - Nova Science Publishers
KW  - Agricultural systems
N1  - Includes references and index
ER  -