000 | 00453nam a2200133Ia 4500 | ||
---|---|---|---|
008 | 140208s9999 xx 000 0 und d | ||
044 | _aSwitzerland | ||
080 | _a631.8 IN8Q | ||
100 | _aInternational Potash Institute | ||
245 |
_aOptimizing yields the role of fertilizers : proceedings of the 12th IPI Congress _cInternational Potash Institute |
||
260 |
_bInternational Potash Institute _aBerne _c1982 |
||
300 | _a305 p.; 23cm. | ||
942 |
_2udc _cGB |
||
999 |
_c19902 _d19902 |