| 000 | 00372nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 130225s9999 xx 000 0 und d | ||
| 100 | _aRubin, Max | ||
| 245 | _aRelation of vitamin A to egg production and hatchability | ||
| 260 |
_aMaryland _bMaryland Agricultural Experiment Station _c1942 |
||
| 300 | _a16p | ||
| 440 | _aA12, A.E.S. | ||
| 901 | _a21152 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c3181 _d3181 |
||