| 000 | 00327 a2200121 4500 | ||
|---|---|---|---|
| 245 | 1 | _aOpen houses and cages for laying hens | |
| 260 |
_aCorvallis _c1954 |
||
| 100 | 1 |
_aParker, J.E., Rodgers, J.B. _d |
|
| 300 | _a15 p. | ||
| 440 |
_aNo. 543 _vOregon Agricultural Experiment Station Bulletin |
||
| 942 |
_2udc _cB |
||
| 901 | _a43432 | ||
| 999 |
_c56471 _d56471 |
||