000 00313nas a2200121Ia 4500
008 170101s2017 xx 000 0 und d
044 _aU.S.A.
245 0 _aJOURNAL of Cooperative Extension
260 _bExtension Journal
_aMadison
270 _aExtension Journal
362 _aJan - Dec,1968
942 _2ddc
_cP
999 _c159771
_d159771