| 000 | 00334 a2200133 4500 | ||
|---|---|---|---|
| 080 |
_a633:631.524.6 _bN 277 G |
||
| 245 | 1 | _aGenetic vulnerbaility of major crops | |
| 260 |
_aWashington _bNational Academy of Science _c1972 |
||
| 650 | _aGenetic Vulnerability | ||
| 650 | _aCrops | ||
| 100 |
_a _d |
||
| 300 | _a307 p. | ||
| 901 | _a125915 | ||
| 999 |
_c84654 _d84654 |
||