| 000 | 00369nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 130225s9999 xx 000 0 und d | ||
| 100 | _aClausen, C.P. | ||
| 245 | _aBiological control of insect pests in the continental united states | ||
| 260 |
_aWashington _c1956 |
||
| 300 | _a1-151 p. | ||
| 440 | _aUnited States Department of A | ||
| 901 | _a50378 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c8906 _d8906 |
||