| 000 | 00348nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 130225s9999 xx 000 0 und d | ||
| 100 | _aChamplin, Manley J. | ||
| 245 | _aQuarter century of crop rotation experiments | ||
| 260 |
_aSaskatoon _c1951 |
||
| 300 | _a24 p. | ||
| 440 | _aNo. 129; University of Saskat | ||
| 901 | _a41220 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c7786 _d7786 |
||