| 000 | 00356nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 130223s9999 xx 000 0 und d | ||
| 100 | _aLaird, R.J. | ||
| 245 | _aField technique for fertilizer experiments | ||
| 260 | _aMexico | ||
| 260 | _c1968 | ||
| 300 | _a47 p. | ||
| 440 | _aNo. 9; Mexico, International M | ||
| 901 | _pS13762 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c122751 _d122751 |
||