| 000 | 00449 a2200181 4500 | ||
|---|---|---|---|
| 080 |
_a631.95 _bA 512 D |
||
| 245 | 1 |
_aAmerican Institute of Crop Ecology, study series _bNO. 29B : _cby H.C. Hanson |
|
| 260 |
_aWashington _c1963 |
||
| 650 | _aAgricultural Ecology | ||
| 650 | _aCrop Ecology | ||
| 650 | _aDiseases | ||
| 650 | _aPests | ||
| 650 | _aEconomic | ||
| 650 | _aPlants | ||
| 100 | 1 |
_aHanson, H.C. _d |
|
| 300 | _a154 p. | ||
| 901 | _a74302 | ||
| 999 |
_c45665 _d45665 |
||