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Nitrate-N levels in British streams and rivers : a countrywide perspective

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1. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.277094

Identifer	oai:union.ndltd.org:bl.uk/oai:ethos.bl.uk:277094
Date	January 1990
Creators	Betton, Catherine
Publisher	University of Exeter
Source Sets	Ethos UK
Detected Language	English
Type	Electronic Thesis or Dissertation