| 000 | 00408 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 | _aBaker, W.A., Bradley, W.G., Clark, C.A. | |
| 245 | 1 | _aBiological control of the european corn borer in the United States | |
| 260 |
_aWashington _c1949 |
||
| 300 | _a1-185 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aBiological, Corn, Borer United States Department of Agriculture. Technical Bulletin No. 983 | ||
| 901 | _aS50284 | ||
| 999 |
_c107186 _d107186 |
||