| 000 | 00369 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 | _aVickery, R.A. | |
| 245 | 1 | _aContributions to a knowledge of the corn root-aphis | |
| 260 |
_aWashington _c1910 |
||
| 300 | _a98-118 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aCorn United States Department of Agriculture, Bureau of Entomology. Bulletin No. 85, Part VI | ||
| 901 | _aS49700 | ||
| 999 |
_c106283 _d106283 |
||