| 000 | 00397 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 | _aDelong, D.M. | |
| 245 | 1 | _aStudies of method and materials for the control of the leafhopper empoasc a Fabae as a bean pest | |
| 260 |
_aWashington _c1940 |
||
| 300 | _a1-63 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aLeafhooper United States Department of Agriculture. Technical Bulletin No. 740 | ||
| 901 | _aS10270 | ||
| 999 |
_c107289 _d107289 |
||