000 | 00640nam a2200169Ia 45e0 | ||
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008 | 131116n1978 xxu |||gr||||Z||||||eng | ||
020 | _a0813817854 | ||
082 | _a333 | ||
100 |
_aHexem, Roger W, _eAuthor., |
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245 | 0 |
_aWater Production Functions for Irrigated Agricultural _cRoger W. Hexem _hTextual Documents |
|
260 |
_aAmes _bIOWA State University Press, _c1978 |
||
300 | _a215. | ||
653 | _aEconomics ofland & energy | ||
653 | _aWater Production Functions | ||
701 |
_aHeady, Earl O, _eAuthor. |
||
942 |
_2ddc _cTXT |
||
999 |
_c33682 _d33682 |