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  1. By: Moore, George T. (George Thomas), - Kellerman, Karl F.
    Publication info: Washington, Gov't print. off, 1904
    Holding Institution: University of California Libraries
    Subjects: Algicides  Fungicides  Purification  Water  
  2. By: Kellerman, Karl F. - Kimberly, A. Elliott (Albert Elliott) - Pratt, R. Winthrop (Robert Winthrop) - United States. Bureau of Plant Industry. - United States. Department of Agriculture. - United States. Government Printing Office.
    Publication info: Washington, D.C, G.P.O, 1907
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Pollution  Purification  Sewage  Sewerage  Water  
  3. By: Prescott, Samuel Cate, - Winslow, C.-E. A. (Charles-Edward Amory),
    Edition: 2d ed., rewritten. 1st thousand.
    Publication info: New York, 1908
    Holding Institution: Cornell University Library
    Subjects: Bacteriology  Purification  Water  
  4. By: California. Department of Water Resources. - Brown, Randall L.
    Publication info: Sacramento], For sale by the Supt. of Docs., U.S. Govt. Print. Off., Washington, 1971
    Holding Institution: University of California Libraries
    Subjects: Algae  Biological treatment  Nitrates  Nitrogen removal  Purification  Water  
  5. By: California. Department of Water Resources. - United States. Environmental Protection Agency. - United States. Bureau of Reclamation.
    Publication info: Washington, For sale by the Supt. of Docs., U.S. Govt. Print. Off, 1971
    Holding Institution: University of California Libraries
    Subjects: Algae  Biological treatment  Nitrates  Purification  Water  
  6. By: Eby, Harry J. - Hsingh, V. P.
    Publication info: Washington, D.C, Agricultural Research Service, U.S. Dept. of Agriculture, 1972
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Biological treatment  Cyanobacteria  Purification  Sewage  Sewage lagoons  
  7. By: Bahls, Loren L. - Montana. Water Quality Bureau.
    Publication info: Helena, Mont, Water Quality Bureau, Environmental Sciences Division, Dept. of Health and Environmental Sciences, [1985]
    Holding Institution: Montana State Library
    Subjects: Benthic animals  Diatoms  Effluent quality  Environmental aspects  Montana  Physiological effect  Pollution  Purification  Rosebud County  Sewage  Water  Water quality  
  8. By: Alberta Environmental Centre. - Alberta. Alberta Environment. Standards and Approvals Division.
    Publication info: [Vegreville, Alta.], The Centre, 1987
    Holding Institution: University of Alberta Library
    Subjects: Alum  Aluminum hydroxide  Aluminum sulfate  Color removal  Effect of water pollution on  Fishes  Purification  Toxicology  Water  
  9. By: Mark E. Taylor & Associates. - Ontario. Ministry of the Environment. - Metropolitan Toronto and Region Conservation Authority.
    Publication info: Toronto, Ont, Mark E. Taylor & Associates, 1992
    Holding Institution: Ontario Ministry of the Environment
    Subjects: Biological treatment  Constructed wetlands  Function  Ontario  Purification  Sewage  Sewage lagoons  Storm sewers  Storm water retention basins  Urban runoff  Water  Water quality management  Wetlands  
  10. By: Moore, J. W. - Alberta Environmental Centre.
    Publication info: Vegreville, AB, Alberta Environmental Centre, 1992
    Holding Institution: University of Alberta Library
    Subjects: Environmental aspects  Industries  Purification  Sewage  Wastewater treatment  Wastewater treatment facilities  
  11. By: Stein, Otto. - Biederman, J. A. - Hook, P. B. - Allen, W. C. - Montana University System. Water Resources Center.
    Publication info: Bozeman, Mont, Montana University System, Water Resources Center, 1996
    Holding Institution: Montana State Library
    Subjects: Constructed wetlands  Montana  Purification  Research  Water  Water resources development  Wetland planting  Wetlands  
  12. By: Sibrell, P. L. - Burton, Samuel R. M. - Cornelius, David E. - United States. Bureau of Land Management.
    Publication info: Amarillo, Tex, U.S. Department of the Interior, Bureau of Land Management, Helium Operations, 1997
    Holding Institution: Bureau of Land Management
    Subjects: Amines  Chromium  Gases  Helium  Purification  
  1. By: Oliveira, Stélio R.M. - Nascimento, Antonia E. - Lima, Maria E.P. - Leite, Yáskara F.M.M. - Benevides, Norma M. B.
    Type: Article
    In: Sociedade Botânica de São Paulo
    Volume: 25
    Issue: 4
    Date: 2002
    Publication Info: Sociedade Botânica de São Paulo
    Subjects: Agglutinin  Algae  lectin  Pterocladiella capillacea  Purification  
  2. By: Borghetti, Fabian - Lima, Elisa Coutinho de - Silva, Lucas de Carvalho Ramos
    Type: Article
    In: Acta Botanica Brasilica
    Date: 2013-03-01
    Subjects: allelopathy  Cerrado  freeze-drying  leaf extract  Purification