| 000 | 00418nam#a2200169#c#4500 | ||
|---|---|---|---|
| 003 | IEF | ||
| 005 | 20180219170751.0 | ||
| 008 | 941205s1972 uuu####fr####| 0||u| |u | ||
| 040 | _aIEF | ||
| 100 | 1 |
_aHeady, Earl Orel _920829 |
|
| 245 | _aAgricultural production functions | ||
| 260 |
_aIowa _b State University Press _c1972 |
||
| 300 |
_aVIII, 667 p. _c 24 cm |
||
| 942 | _cLIB | ||
| 942 | _z19548 | ||
| 999 |
_c108448 _d108448 |
||