00285nam a2200085Ia 4500008004100000082002800041245007400069260004200143650001400185220204s9999    xx            000 0 und d  a632.951'.952(06)bBRI.2 0aProceedings of the sixth British insecticide and fungicide, 1971. V 3  aLondonbBritish Crop Protectionc1971  aFungicide