| 000 | 00325 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 | _aBack, E.A. | |
| 245 | 1 | _aInsect control in flour mills | |
| 260 |
_aWashington _c1920 |
||
| 300 | _a1-40 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aInsect United States Department of Agriculture. Department Bulletin No. 872 | ||
| 901 | _aS50746 | ||
| 999 |
_c107939 _d107939 |
||