Items where Author is "Sheals, John Gordon"
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Sheals, John Gordon (1956) Soil population studies: A quantitative ecological study of soil microarthropoda (mainly Collembola and Acari), with special reference to the effects on the population of the persistent synthetic insecticides dichlorodiphenyltrichloroethane (DDT) and hexachlorocyclohexane (BHC.). PhD thesis, University of Glasgow.