1. Manual of veterinary parasitological laboratory techniques,1971
2. Soil sampling for potato root eelworm cysts;Anscombe;Annals of Applied Biology,1950
3. Sampling nematode populations;Barker,1981
4. Role of sampling for crop-loss assessment and nematode management;Barker;Agriculture, Ecosystems and Environment,1985
5. Epidemiological studies on gastro-intestinal nematode parasites of sheep. Infection patterns on clean and autumn-contaminated pasture;Boag;Research in Veterinary Science,1971