000 | 00333nam a2200133Ia 4500 | ||
---|---|---|---|
008 | 130223s9999 xx 000 0 und d | ||
245 | _aNitrogen and soil organic matter : Proceedings | ||
260 | _aLondon | ||
260 | _c1969 | ||
300 | _a178 p. | ||
440 | _aNo. 15; Great Britain Ministry | ||
901 | _pS17103 | ||
942 |
_cB _2udc |
||
999 |
_c128390 _d128390 |