| 000 | 00478 a2200169 4500 | ||
|---|---|---|---|
| 008 | 050329s9999 xx 000 0 und d | ||
| 028 | _a2996 | ||
| 041 | _aE | ||
| 072 | _aLIB | ||
| 100 |
_aRöling, Niels G. _935878 |
||
| 245 |
_aExtension science _binformation systems in agricultural development |
||
| 260 |
_aCambridge _bCambridge University Press _c1988 |
||
| 300 | _a233 p | ||
| 650 |
_933282 _aAgriculture |
||
| 942 |
_k630.0715 R(tm)L _cB |
||
| 999 |
_c2798 _d2798 |
||