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  1. 21

    Calcul des canaux & aqueducs / by Dariés, Georges

    Book
  2. 22
  3. 23
  4. 24
  5. 25

    Recuperación de zonas muertas by Mee, Laurence

    Article
  6. 26

    Degradación del ecosistema en el lago Xolotlan, Nicaragua. by Montenegro Guillén, Salvador

    Book Chapter
  7. 27

    Chemical control of brush and trees in the lake states / by Rudolf, Paul O.

    Published 1956
    Book
  8. 28

    Introducción a la limnología / by Vallentyne, John R.

    Published 1978
    Book
  9. 29

    El Lago Nahuel Huapi : contribución a su conocimiento limnológico / by Cordini, Rafael

    Published 1939
    Book
  10. 30

    Derecho de aguas : con acotaciones hidrológicas / by Allende, Guillermo Lorenzo, 1915-

    Published 1971
    Book
  11. 31

    Convention on the..done at Helsinski, on 17 march 1992.

    Published 1992
    Conference Proceeding Book
  12. 32

    Planning and management of lakes and reservoirs : an integrated approach to eutrophication /

    Published 1999
    Book
  13. 33

    Strategies for monitoring and assessment of transboundary rivers, lakes and groundwaters /

    Published 2006
    Book
  14. 34
  15. 35

    Second assessment of transboundary rivers, lakes and groundwaters /

    Published 2011
    Book
  16. 36

    Voyage aux grands lacs de l'Afrique Orientale / by Burton, Richard Francis, sir, 1821-1890

    Published 1862
    Book
  17. 37

    Aprovechamiento de cuencas fluviales y lacustres /

    Published 1990
    Conference Proceeding Book