| 000 | 00422nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 130223s9999 xx 000 0 und d | ||
| 080 | _a637.12 | ||
| 100 | _aConneman, G.J. | ||
| 245 | _aChange in milk production on dairy farms in representative farms group : A metho | ||
| 260 | _aIthaca | ||
| 260 | _c1969 | ||
| 300 | _a1-61 p. | ||
| 440 | _aCornell Agricultural Experimen | ||
| 901 | _pS16618 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c117599 _d117599 |
||