000 00391nam a2200145Ia 4500
008 160607s9999 xx 000 0 und d
100 _aFood and Agriculture Organisation 2nd
_985593
100 _aSwanson, Burton E
_985594
245 _aAgricultural extension
245 _bA reference mannual / Burton E Swanson
260 _aRome
260 _bFAO
260 _c1984
300 _axi,262p.
999 _c31796
_d31796