| 000 | 004160000a22001330004500 | ||
|---|---|---|---|
| 084 | _a US/DA/SEA/TB-1599 | ||
| 110 |
_a _aUSDA, Science and Education Administration |
||
| 245 | _a Econology of the green peach aphid as Western Yellows virsus of sugarbeets | ||
| 260 |
_a _b _aWashington _cUS |
||
| 260 |
_c _a1979 |
||
| 300 |
_a _a16p. |
||
| 490 |
_aUSDA, SEA technical bulletin _bno. 1599 |
||
| 650 | _a <Plant economy> | ||
| 041 | _a Eng | ||
| 999 |
_c2938 _d2938 |
||