000 | 00364nam a2200121Ia 4500 | ||
---|---|---|---|
001 | MPKV108716 | ||
008 | 120911s9999 xx 000 0 und d | ||
082 | _a630.715 | ||
245 |
_aJournal of Communication Vol 32 _c; |
||
246 | _aJournal of Communication Vol 15 | ||
260 |
_aUSA _bUniversity of Penneysylvania Philadelophic _c1988 |
||
650 | _aAgricultural Extention | ||
999 |
_c72068 _d72068 |