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  1. Measuring zooplankton net filtration efficiency in Dorset lakes /
    By: Yan, Norman David,
    Publication info: [Toronto] :Environment Ontario,c1992.
    Holding Institution: Ontario Ministry of the Environment (archive.org)
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  2. Zooplankton data and sample archive database design for the Dorset Research Centre : report /
    By: Pawson, T. W. - Yan, Norman David, - Ontario. Ministry of the Environment.
    Publication info: [Toronto, Ont.] :Queen's Printer for Ontario,1993.
    Holding Institution: Ontario Ministry of the Environment (archive.org)
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