| 000 | 004480000a22001690004500 | ||
|---|---|---|---|
| 020 | _a0-8138-1785-4 | ||
| 060 | _a100 | ||
| 082 | _a631.7 HEX | ||
| 100 | _aHeady, Earl O | ||
| 100 | _aHexem, Roger W | ||
| 245 | _aWater production functions for irrigated agriculture | ||
| 260 | _aAmes, Iowa state university press | ||
| 260 | _c1978 | ||
| 300 | _a213 | ||
| 650 | _aIrrigated farming - economic aspects - mathematical models | ||
| 942 | _cBK | ||
| 999 |
_c220350 _d220350 |
||