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Water quality update, vol. 13 no. 1, January 2004
(Oklahoma State University, 2004-01)
Water quality update, vol. 13 no. 4, September 2004
(Oklahoma State University, 2004-09)
Water quality update, vol. 13 no. 2, March 2004
(Oklahoma State University, 2004-03)
Water quality update, vol. 13 no. 3, May 2004
(Oklahoma State University, 2004-05)