By Ho Clifford K.   Hughes Robert C.   in Sensors

ISSN:1424-8220|2|1|23-34

MDPI‎(2002)‎

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By Ho Clifford K.   Khalsa Siri S.   Wright Harold B.   Wicklein Ed   in Proceedings of the Water Environment Federation

ISSN:1938-6478|2009|1|257-273

Water Environment Federation‎(2009)‎

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By Ho Clifford K.   Robinson Alex   Miller David R.   Davis Mary J.   in Sensors

ISSN:1424-8220|5|1|4-37

MDPI‎(2005)‎

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