000 00330nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _a"ERNST BOLIGER, PETER REINHARD"
245 0 _aAGRICULTURAL EXTENSION : GUIDELINES FOR EXTENSION WORKERS IN RURAL AREAS
260 _bNil
260 _c1995
365 _b450.00
942 _cBK
999 _c162504
_d162504