Dictionary of Ecology /

Geahča maid

• Dictionary of the environment /
  Dahkki: Allaby, Michael
  Almmustuhtton: (1983)
• S. Chand's dictionary of environment /
  Dahkki: Arora, P. N.
  Almmustuhtton: (1996)
• Oxford dictionary of science /
  Dahkki: Allaby, Michael
  Almmustuhtton: (2004)
• Dictionary of ecology and the environment/
  Dahkki: Collin, P.H
  Almmustuhtton: (1995)
• McGraw-Hill encyclopedia of environmental science /
  Dahkki: Parker, Sybil P.
  Almmustuhtton: (1980)