By Machno Peter   in Proceedings of the Water Environment Federation

ISSN:1938-6478|2000|1|762-766

Water Environment Federation‎(2000)‎

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By Machno Peter S.   in Proceedings of the Water Environment Federation

ISSN:1938-6478|2002|3|132-139

Water Environment Federation‎(2002)‎

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By DeMichele Eugene   Machno Peter   Stone Lori   in Proceedings of the Water Environment Federation

ISSN:1938-6478|2006|2|854-857

Water Environment Federation‎(2006)‎

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By DeMichele Eugene   Machno Peter   Stone Lori   in Proceedings of the Water Environment Federation

ISSN:1938-6478|2007|3|1263-1268

Water Environment Federation‎(2007)‎

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