| 000 | 00434 a2200145 4500 | ||
|---|---|---|---|
| 245 | 1 | _aReport on preliminary investigation on chemical weed control in Venezuela 1951 | |
| 260 |
_aNew York _c1952 |
||
| 650 | _aInvestigation on Chemical | ||
| 650 | _aWeed Control | ||
| 100 | 1 |
_aJohnson, Frederick S. _d |
|
| 300 | _a20 p. | ||
| 440 |
_aNo. 2 _vIBEC International Basic Economy Corporation Resear |
||
| 942 |
_2udc _cB |
||
| 901 | _a35861 | ||
| 999 |
_c55671 _d55671 |
||