| 000 | 00516nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 140224s9999 xx 000 0 und d | ||
| 082 | _aPH 620.9:631.847.1:633.002(047.3) L7 | ||
| 100 | _aNational Science Foundation | ||
| 245 | _aConserving energy with nitrification inhibitors(energy in agriculture) | ||
| 260 |
_aWashington DC _bNational science foundation _c1977 |
||
| 300 | _a8p. | ||
| 490 | _aUS Department of commerce NTIS PV-277 199 | ||
| 650 | _aEnergy conservation:nitrification inhibitors: | ||
| 942 | _cBK | ||
| 999 |
_c92387 _d92387 |
||