TY  - BOOK
AU  - Cherrett,J.M.
AU  - Sagar,G.R.
ED  - British Ecological Society.
TI  - Origins of pest, parasite, disease and weed problems: the 18th Symposium of the British Ecological Society, Bangor, 12-14 April 1976
U1  - 574.5 
PY  - 1977///
CY  - Oxford
PB  - Blackwell Scientific
KW  - Pests
KW  - Parasites
KW  - Plant diseases
KW  - Weeds
ER  -