| 000 | 00508nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1976 xx 000 0 und d | ||
| 082 | _a630.973 U-4C | ||
| 100 | _aU.S. Deparment of Agriculture | ||
| 245 | 0 | _aChanges in farm prouduction efficiency; a sepcial issue featuring historical series | |
| 260 |
_aWashington _c1976 |
||
| 300 | _a26cm. 68 | ||
| 440 | _a(Its statistical bulletin, no. 561) | ||
| 650 | _aAGRICULTURE - - UNITED STATES | ||
| 653 | _aAGRICULTURE - - UNITED STATES | ||
| 942 |
_2ddc _cB |
||
| 999 |
_c68994 _d68994 |
||