| 000 | 00551nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 140208s9999 xx 000 0 und d | ||
| 044 | _aU.S.A. | ||
| 080 | _a635.212 7 SI58P | ||
| 100 | _aSimpson, G.W. | ||
| 245 |
_aProgress on some important insect and disease problems of Irish potato production in Maine _cG.W. Simpson and W.A. Shands |
||
| 260 |
_bMaine Agricultural Experiment Station _aOrono _c1949 |
||
| 300 | _a50p.; 22cm. | ||
| 490 | _a(maine Agricultural Experiment station bulletin; no. 470) | ||
| 700 | _aShands, W.A | ||
| 942 |
_2udc _cPB |
||
| 999 |
_c19554 _d19554 |
||