| 000 | 00391nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 130225s9999 xx 000 0 und d | ||
| 100 | _aPotter, R.S., Synder, R.S. | ||
| 245 | _aCarbon dioxide production in soils and carbon and nitrogen changes in soils vari | ||
| 260 |
_aLowa _c1916 |
||
| 300 | _a254-309 p. | ||
| 440 | _aResearch Bulletin No. 39 Lowa | ||
| 901 | _a21877 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c3691 _d3691 |
||