| 000 | 00402nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 130223s9999 xx 000 0 und d | ||
| 080 | _a016:63(071.7)(1-77) | ||
| 100 | _ade Vries, C.A. | ||
| 245 | _aAgricultural extension in the developing countries : A bibliography | ||
| 260 | _aWageningen | ||
| 260 | _c1968 | ||
| 440 | _aNo. 7; Netherlands Internation | ||
| 901 | _pS34950 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c152044 _d152044 |
||