| 000 | 00541nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 020708t1971 000 0 eng d | ||
| 020 | _a0813805406 | ||
| 080 |
_a338.922 : 519.27 HEA _b6650 |
||
| 100 | _aHeady, E.O. | ||
| 245 | 0 |
_aEconomic models and quantitative methods for decision and planning in agriculture _h(Book) |
|
| 260 |
_aAmes _bIowa State University Press _c1971 |
||
| 300 |
_a518 p. _c24 cm. |
||
| 650 | _a Agriculture--Economic aspects--Mathematical models--Congresses Agriculture--Economic aspects--Congresses | ||
| 999 |
_c6140 _d6140 |
||
| 035 | _a6650 | ||