Bearbmagovva

Population, resources, environment issues in human ecology

Bibliográfalaš dieđut
Váldodahkki: Ehrlich, Paul R.
Eará dahkkit: Ehrlich, Anne H.
Materiálatiipa: Girji
Giella:eaŋgalasgiella
Almmustuhtton: San Francisco W. H. Freeman 1972
Fáttát:
Human ecology.
Pollution.
Population.