| 000 | 00373nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 140317s9999 xx 000 0 und d | ||
| 082 | _a333.7 | ||
| 100 | _aNational Academy of Sci. | ||
| 245 | _aMethane generation from human animal and agricultural wartes. | ||
| 260 |
_aNAS _b _c1977 |
||
| 300 | _a131 | ||
| 650 | _aEconomics | ||
| 653 | _aEconomics | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c10162 _d10162 |
||