8th British Insecticide and fungicide conference: proceedings - Vol.3
British Crop Protection Council
8th British Insecticide and fungicide conference: proceedings - Vol.3 - Worcester BCPC 1975 - 719-1069
R632.951 / C53P
8th British Insecticide and fungicide conference: proceedings - Vol.3 - Worcester BCPC 1975 - 719-1069
R632.951 / C53P