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The factors determining nitrogen removal from sewage using a gravel bed hydroponic treatment system

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1. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.305673

Identifer	oai:union.ndltd.org:bl.uk/oai:ethos.bl.uk:305673
Date	January 1991
Creators	Ashworth, Robert Frederick
Publisher	University of Portsmouth
Source Sets	Ethos UK
Detected Language	English
Type	Electronic Thesis or Dissertation