00454nam a2200121Ia 4500008004100000082004300041100007000084245004300154260004100197300001400238490005300252650002700305140224s9999    xx            000 0 und d  a631.8+632.95:543 1979.4.3/5 (082.2) L9  aSymposium on Chemistry and Agriculture Bristol, Apr.3rd-5th,1979.  aChemistry and agriculture; proceedings  aLondonbThe Chemical Societycc 1979  axiv,287p.  aThe Chemical Society; Special Publication, no.36  aAgricultural chemicals