| 000 | 00345nam a2200121Ia 4500 | ||
|---|---|---|---|
| 001 | MPKV108737 | ||
| 008 | 120911s9999 xx 000 0 und d | ||
| 082 | _a630.715 | ||
| 245 |
_aJournal of Extension Vol 18-20 Part No.1-6 _c; |
||
| 246 | _aJournal of Extension Vol 10 | ||
| 260 |
_aWisconsin _bMadison _c1980-82 |
||
| 650 | _aAgricultural Extention | ||
| 999 |
_c72089 _d72089 |
||