| 000 | 00376 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 | _aParrott, P.J., Harman, S.W. | |
| 245 | 1 | _aComparative efficiency of dust and spray mixtures in controlling the current aphis | |
| 260 |
_aGeneva _c1924 |
||
| 300 | _a1-1-21 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aNew York Agricultural Experiment Station. Bulletin No. 517 | ||
| 901 | _aS52278 | ||
| 999 |
_c109964 _d109964 |
||