| 000 | 00370nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1949 xx 000 0 und d | ||
| 082 | _a632 .96 UNI | ||
| 100 | _aUnited States Separtment of Agril., | ||
| 245 | 0 | _aBiological Control of the European Corn Borer in the united States | |
| 260 |
_aU. S. A. _bU. S. Department of .. _c1949 |
||
| 300 | _a185 p. | ||
| 942 |
_2ddc _cB |
||
| 999 |
_c1416 _d1416 |
||