| 000 | 005230000a22001810004500 | ||
|---|---|---|---|
| 008 | 140223b1980 xxu||||| |||| 00| 0 eng d | ||
| 041 | _aeng | ||
| 080 | _aX9(J:1:7) M0 | ||
| 082 | _aX9(J:1:7) M0 | ||
| 100 | _aDonahue Roy L | ||
| 700 | _aHobbs Arthur J | ||
| 100 | _aOthers | ||
| 700 | _aTroch Frederick R | ||
| 245 | _aSoil and water conservation for productivity and environmental protection | ||
| 260 |
_aEnglewood, Cliffs,NJ _bPrentice Hall _c1980 |
||
| 650 | _aAgricultural Economics:USA | ||
| 650 | _aEconomics | ||
| 999 |
_c76860 _d76860 |
||