| 000 | 00386nam a2200133Ia 4500 | ||
|---|---|---|---|
| 001 | MPKV058986 | ||
| 008 | 120911s9999 xx 000 0 und d | ||
| 082 | _a630.715 | ||
| 245 |
_aJournal of Communication Vol 20 _c; |
||
| 246 | _aJournal of Communication Vol 20 | ||
| 260 |
_aUSA _bUniversity of Penneysylvania Philadelophic _c1970 |
||
| 365 | _b165/- | ||
| 650 | _aAgricultural Extention | ||
| 999 |
_c56974 _d56974 |
||