000 | 00334nam a2200133Ia 4500 | ||
---|---|---|---|
008 | 130223s9999 xx 000 0 und d | ||
245 | _aTrace elements in soils and crops : Proceedings | ||
260 | _aLondon | ||
260 | _c1971 | ||
300 | _a217 p. | ||
440 | _aNo. 21; Great Britain Ministry | ||
901 | _pS20411 | ||
942 |
_cB _2udc |
||
999 |
_c135719 _d135719 |