| 000 | 00462nam a2200193Ia 4500 | ||
|---|---|---|---|
| 008 | 131223s9999 xx 000 0 und d | ||
| 040 | _aISI KOLKATA | ||
| 041 | _aEnglish | ||
| 082 |
_a631.45 _bW183 |
||
| 100 | _aWalker R H | ||
| 245 | _aSoil erosion in Iowa | ||
| 260 |
_aAmes _bIowa Agri. Exp. Station _c1936 |
||
| 300 | _a45p. | ||
| 650 | _aIowa | ||
| 650 | _aSoil conservation | ||
| 650 | _aSoil erosion | ||
| 700 |
_aBrown P E _4Auth. |
||
| 942 | _cBK | ||
| 999 |
_c34241 _d34241 |
||