00485nam a2200145Ia 4500008004100000020001700041082002000058100000500078245009500083260005500178300000500233650004700238650003600285700001800321140316s9999    xx            000 0 und d  a185339 415 7  a631.521bTRI/NE  a  aNew seed and old laws : regulatory reform and the diversification of national seed systems  aLondonbIntermediate technology publicationsc1997  a  aimpact of intellectual property protection  aOrganization of seed regulation  aTripp,Robbert