Applied stream sanitation/

Geahča maid

• Applied stream sanitation/
  Dahkki: Velz, Clarence J
  Almmustuhtton: (1970)
• Stream ecology and self-purification : an introduction /
  Dahkki: 355179 Spellman, Frank R., et al.
  Almmustuhtton: (2001)
• Stream ecology and self-purification: an introduction for wastewater and water specialists /
  Dahkki: 355179 Spellman, Frank R.
  Almmustuhtton: (1996)
• Scientific stream pollution analysis /
  Dahkki: 401999 Nemerow, Nelson Leonard
  Almmustuhtton: (1974)
• Process studies and modelling of self-cleaning capacity of mountain creeks for recreation planning and managemant/
  Dahkki: 200707 Chen, Cheng-Lung
  Almmustuhtton: (1975)