| 000 | 00492nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 140712s9999 xx 000 0 und d | ||
| 041 | _aENG | ||
| 080 |
_a63(061.3)(420) _bROT |
||
| 245 | _aRothamsted conferences on present day problems on crop production | ||
| 260 |
_c1929 _aHarpenden _bRothamsted Experimental Station |
||
| 300 | _a56 | ||
| 505 | _av. 2, 1928-1929 | ||
| 650 | _aCrop ManagementCropping PatternsCultivation | ||
| 710 | _aRothamsted Experimental Satation | ||
| 942 | _2UDC | ||
| 999 |
_c6750 _d6750 |
||