| 000 | 003930000a22001570004500 | ||
|---|---|---|---|
| 650 | 1 | 4 |
_9164839 _aSISTEMAS DE EXPLOTACION |
| 650 | 1 | 4 |
_9164839 _aSISTEMAS DE EXPLOTACION |
| 593 | _a19-10-1994 | ||
| 260 | _bDepartment of Agriculture. Office of Experiment Stations | ||
| 362 | 1 | _a1904- | |
| 596 | _aI | ||
| 245 | 1 | 0 | _aFARMERS' INSTITUTE LECTURE |
| 590 | _gUSA | ||
| 942 | _cCR | ||
| 999 |
_c130998 _d130998 |
||