1. Anon (1951). Control of the flow of liquids in small-scale plant. Paper by staff of Water Pollution Research Laboratory, presented at meeting of Institute of Sewage Purification at Watford, 18 October 1951, 11 pp. Published by Inst. Sewage Purification.
2. Note on a parasitic nematode from Codling Moth larvae, Carpocapsa pomonella (Lep.: Olethreutidae);Dutky;Proc. ent. Soc. Wash.,1955