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Water quality update, vol. 6 no. 4, July 1997
(Oklahoma State University, 1997-07)
Water quality update, vol. 6 no. 3, June 1997
(Oklahoma State University, 1997-06)
Water quality update, vol. 7 no. 2, March-April 1998
(Oklahoma State University, 1998-03)
Water quality update, vol. 5 no. 4, 15 April 1996
(Oklahoma State University, 1996-04-15)
Water quality update, vol. 8 no. 1, January 1999
(Oklahoma State University, 1999-01)
Water quality update, vol. 5 no. 1, 15 January 1996
(Oklahoma State University, 1996-01-15)
Water quality update, vol. 5 no. 6, 22 August 1996
(Oklahoma State University, 1996-08-22)
Water quality update, vol. 6 no. 2, April 1997
(Oklahoma State University, 1997-04)
Water quality update, vol. 5 no. 5, 20 May 1996
(Oklahoma State University, 1996-05-20)
Water quality update, vol. 8 no. 2, February-March 1999
(Oklahoma State University, 1999-02)