00417nam a2200121Ia 4500008004100000082003200041100003100073245008000104260002300184300001000207600002400217650005400241130903s9999    xx            000 0 und d  aTR 63.001.5(66)(047.3)   M4  aEdited  Peter Malton, etc.  aComing full circle; Farmer's participation in the development of technology  aOttawabIDRCc1984  a176p.  aMalton, Peter, etc.  aAgricultural Research,Agricultural Extension Work