| 000 | 00390pab a2200145 454500 | ||
|---|---|---|---|
| 008 | 180718b2002 xxu||||| |||| 00| 0 eng d | ||
| 100 | _aRuttan, Vernon W. | ||
| 245 | _aProductivity growth in world agriculture: sources and constraints | ||
| 260 | _c2002 | ||
| 300 | _ap.161-84. | ||
| 362 | _aFall | ||
| 650 | _aAgriculture | ||
| 773 | _aJournal of Economic Perspectives | ||
| 909 | _a54893 | ||
| 999 |
_c54893 _d54893 |
||