By Valkenburg John   Johannes Hans   in Proceedings of the Water Environment Federation

ISSN:1938-6478|2003|5|546-568

Water Environment Federation‎(2003)‎

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By Valkenburg John   Johannes Hans   Hatton Marc   Shurell Joe   in Proceedings of the Water Environment Federation

ISSN:1938-6478|2004|10|341-352

Water Environment Federation‎(2004)‎

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