| 000 | 00393nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 130223s9999 xx 000 0 und d | ||
| 100 | _aLaird, R.J. | ||
| 245 | _aCombining data from fertilizer experiments into a function useful for estimating | ||
| 260 | _aMexico | ||
| 260 | _c1969 | ||
| 300 | _a33 p. | ||
| 440 | _aNo. 12; Mexico, International | ||
| 901 | _pS18177 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c118161 _d118161 |
||