Reference
- Cockbill , G. F. , Henderson , V. E. , Ross , D. M. and Stapley , J. H. 1945 . Wireworm populations in relation to crop production. 1. A large-scale flotation method for extracting wireworms from soil samples and results from a survey of 600 fields . Ann. appl. Biol. , 32 : 148 – 163 .