8th British Insecticide and fungicide conference 1975: proceedings - Vol.1
British crop protection council
8th British Insecticide and fungicide conference 1975: proceedings - Vol.1 - Worcester BCPC 1975 - 372
R632.951 / C53P
8th British Insecticide and fungicide conference 1975: proceedings - Vol.1 - Worcester BCPC 1975 - 372
R632.951 / C53P