| 000 | 00328 a2200121 4500 | ||
|---|---|---|---|
| 245 | 1 | _aUsing hybrid vigor in producing market pigs | |
| 260 |
_aStillwater _c1954 |
||
| 100 | 1 |
_aWhatley, James A. _d |
|
| 300 | _a18 p. | ||
| 440 |
_aNo. B-415 _vOklahoma Agricultural Experiment Station Bulletin |
||
| 942 |
_2udc _cB |
||
| 901 | _a41514 | ||
| 999 |
_c56306 _d56306 |
||