| 000 | 00358nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 130223s9999 xx 000 0 und d | ||
| 100 | _aHolt, J.S., Barr, W.L. | ||
| 245 | _aLarge Pennsylvania dairy farms | ||
| 260 | _aPennsylvania | ||
| 260 | _c1962 | ||
| 300 | _a0.5 | ||
| 440 | _aNo. 237; Pennsylvania Agricult | ||
| 901 | _pS8543 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c126507 _d126507 |
||