| 000 | 00398nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 130225s9999 xx 000 0 und d | ||
| 100 | _aWashko, J.B., Pennington, R.P. | ||
| 245 | _aForage and protein production of nitrogen-fertilized grasses compared with grass | ||
| 260 |
_aPennsylvania _c1956 |
||
| 300 | _a22 p. | ||
| 440 | _aNo. 611; Pennsylvania Agricul | ||
| 901 | _a50356 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c8897 _d8897 |
||