| 000 | 00338nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 160316s1978 xxu||||| |||| 00| 0 eng d | ||
| 020 | _a | ||
| 100 | _aRoger W Hexem | ||
| 245 | _aWater Production Functions For Irrigated Agriculture | ||
| 250 | _a1 | ||
| 260 |
_a _bIOWA:STATE UNIVERSITY _c1978 |
||
| 300 | _a215 | ||
| 700 |
_aEarl O Heady _a |
||
| 999 |
_c5691 _d5691 |
||