Ecoscience: population resources, environment /

Antzeko izenburuak

• Population resources environment : issues in human ecology/
  nork: 276574 Ehrlich, Paul R., et al.
  Argitaratua: (1972)
• Population resources environment : issues in human ecology/
  nork: 276574 Ehrlich, Paul R., et al.
  Argitaratua: (1970)
• The population explosion /
  nork: 276574 Ehrlich, Paul R., et al.
  Argitaratua: (1990)
• Human ecology : problems and solutions /
  nork: 276574 Ehrlich, Paul R., et al.
  Argitaratua: (1973)
• Population bomb /
  nork: 276574 Ehrlich, Paul R.
  Argitaratua: (1968)