| 000 | 00372nam a2200121Ia 4500 | ||
|---|---|---|---|
| 001 | MPKV108168 | ||
| 008 | 120911s9999 xx 000 0 und d | ||
| 082 | _a630.715 | ||
| 245 |
_aJournal of Communication Vol 36 No. 1-4 _c; |
||
| 246 | _aJournal of Communication Vol 15 | ||
| 260 |
_aUSA _bUniversity of Penneysylvania Philadelophic _c1986 |
||
| 650 | _aAgricultural Extention | ||
| 999 |
_c71525 _d71525 |
||