| 000 | 00341nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 130225s9999 xx 000 0 und d | ||
| 100 | _aHeadden, William P. | ||
| 245 | _aOccurence of nitrates on rocks | ||
| 260 |
_aFort Collins _c1922 |
||
| 300 | _a1-46 p. | ||
| 440 | _aColorado Agricultural Experim | ||
| 901 | _a18864 | ||
| 942 |
_2udc _cB |
||
| 999 |
_c18413 _d18413 |
||