000 | 00471nam a2200181Ia 4500 | ||
---|---|---|---|
008 | 170901s1980 xx 000 0 und d | ||
020 | _a9171900071 | ||
082 |
_a631.84 _bR89N |
||
100 | _aRosswall, T | ||
245 | 0 | _aNitrogen Cycling in West African Ecosystems | |
260 |
_bScope _c1980 |
||
300 | _a450 | ||
650 | _aAgriculture and related technologies | ||
650 | _aTechnology (Applied sciences) | ||
653 | _aAfrica | ||
653 | _aNitrogen | ||
942 |
_2ddc _cBK |
||
999 |
_c14281 _d14281 |