| 000 | 00451 a2200181 4500 | ||
|---|---|---|---|
| 080 |
_a631.95 _bA 512 C |
||
| 245 | 1 |
_aAmerican Institute of Crop Ecology series, study _bNo. 18 : _cby M.Y. Nuttonson |
|
| 260 |
_aWashington _c1956 |
||
| 650 | _aAgricultural Ecology | ||
| 650 | _aCrop Ecology | ||
| 650 | _aVariability | ||
| 650 | _aWheat | ||
| 650 | _aBarley | ||
| 650 | _aRye | ||
| 100 | 1 |
_aNuttonson, M.Y. _d |
|
| 300 | _a42 p. | ||
| 901 | _a60595 | ||
| 999 |
_c45651 _d45651 |
||