| 000 | 00354 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 | _aAtkinson, L.J. | |
| 245 | 1 | _aAgricultural productivity in Colombia | |
| 260 |
_aItaly _c1970 |
||
| 300 | _a1-101 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aAgriculture United States Department of Agriculture. Foreign Agricultural Economic Report No. 66 | ||
| 901 | _aS22273 | ||
| 999 |
_c108964 _d108964 |
||