| 000 | 00407 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 |
_a _d |
|
| 245 | 1 |
_aPathogenic specialization in cereal rust fungi, especially puccinia recondita f. sp. tritici _bConcepts, methods of study |
|
| 260 |
_aWashington _c1971 |
||
| 300 | _a1-51 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aFungi United States Department of Agriculture. Technical Bulletin No. 1432 | ||
| 901 | _aS19959 | ||
| 999 |
_c107215 _d107215 |
||