By GREY J.   HARPER D. M.   in Isotopes in Environmental Health Studies

ISSN:1025-6016|38|4|245-250

Taylor & Francis Ltd‎(2002)‎

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By Hubble D.S.   Harper D.M.   in Water Research

ISSN:0043-1354|34|9|2598-2600

Elsevier‎(2000)‎

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By Hubble D.S.   Harper D.M.   in Aquatic Ecosystem Health & Management

ISSN:1463-4988|4|3|243-250

Taylor & Francis Ltd‎(2001)‎

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