| 000 | 00393nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 130225s9999 xx 000 0 und d | ||
| 100 | _aBaker, H.J., Wilson, M.C. | ||
| 245 | _aRelative costs of extension methods which influence changes in farm and home pra | ||
| 260 |
_aWashington _c1929 |
||
| 300 | _a1-30 p. | ||
| 440 | _aUnited States Department of A | ||
| 901 | _a28020 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c5343 _d5343 |
||