| 000 | 00377nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 130223s9999 xx 000 0 und d | ||
| 100 | _aColwell, J.D. | ||
| 245 | _aCoputation of optimal rates of application of fertilizers from quadratic respons | ||
| 260 | _aMelbourne | ||
| 260 | _c1974 | ||
| 440 | _aNo. 21; Australia, Commonwealt | ||
| 901 | _pS28940 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c118999 _d118999 |
||