000			00455nam a2200157Ia 4500
008			140316s9999 xx 000 0 und d
020			_a3 88085 492 0
082			_a630 .72 _bWER/PA
100			_aWerner,Jargen
245			_aParticipitary development of agricultural innovations : Procedures and methods of on -farm research
260			_aGermany _bGTZ _c1993
300			_a251
650			_aCommunication
650			_adata collection
942			_2ddc _cBK
999			_c3079 _d3079