In twenty years; our common future.

Antzeko izenburuak

• Twenty-five years of Indian independence
  nork: Indian Oxygen Ltd
  Argitaratua: (1972)
• Twenty years of nationalisation: the British experience
  nork: Kelf-Cohen, R
  Argitaratua: (1969)
• Twenty years after /
  nork: Dumas, Alexandre
  Argitaratua: (1973)
• Twenty years of nationalisation
  nork: Kelf-Cohen, R.
• Twenty-one years. /
  nork: Churchill, Randolph S.
  Argitaratua: (1965)