00493nam a2200169Ia 4500008004100000020001500041082001800056100001700074245004700091260005200138300000800190650003300198650002000231653002700251653002600278700001900304170901s1996    xx            000 0 und d  a0854042202  a363.7384bA25  aHester, R.E. 0aAgricultural Chemicals and the Environment  aCambridgebThe Royal Society of Chemistryc1996  a127  aSocial problems and services  aSocial sciences  aAgricultural chemicals  aEnvironmental aspects  aHarrison, R.M.