Proceedings; research reports
British Insecticide and Fungicide Conference, 6th, Brighton,
Proceedings; research reports - 21cm. 3v
PESTICIDES -- CONGRESSES
FUNGICIDES -- CONGRESSES PESTICIDES -- CONGRESSES
632.95 B84P
Proceedings; research reports - 21cm. 3v
PESTICIDES -- CONGRESSES
FUNGICIDES -- CONGRESSES PESTICIDES -- CONGRESSES
632.95 B84P