| 000 | 00356nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 140113s9999 xx 000 0 und d | ||
| 082 | _a631.84:631.4 K9 | ||
| 100 | _a"Britain, Agriculture & Fisheries & Food (Min. of�)" | ||
| 245 | _aNitrogen and soil organic matter. Tech. Bull. 15 | ||
| 260 |
_a1969 _bH.M.S.O. _cLondon |
||
| 300 | _a178 | ||
| 942 | _cBK | ||
| 999 |
_c57948 _d57948 |
||