TY  - BOOK
AU  - Heady, Earl O.,
TI  - Spatial Sector Programning Models in Agriculture
SN  - 0813815754
U1  - 338 
PY  - 1975///
CY  - Ames
PB  - IOWA State University Press
KW  - Agriculture and State-Mathematical Models
KW  - Production
ER  -