Search Results - Severn-Trent Water Authority,
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An ecological study of the Afon Dulas with special reference to the effects of the drought of 1976.
Published 1980“…Severn-Trent Water Authority,…”
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The effects of regulation on the freshwater invertebrates of the Afon Clywedog.
Published 1980“…Severn-Trent Water Authority,…”
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Studies of the benthic invertebrates of the lower River Severn.
Published 1979“…Severn-Trent Water Authority,…”
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