| 000 | 00393nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 130225s9999 xx 000 0 und d | ||
| 100 | _aNorton, J.B.S. | ||
| 245 | _aControl of insect pests and diseases of Maryland crops | ||
| 260 |
_aMaryland _bMaryland Agricultural Experiment Station _c1907 |
||
| 300 | _a66p. | ||
| 440 | _aMaryland Agricultural Experim | ||
| 901 | _a22927 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c4192 _d4192 |
||