00350nam a2200109Ia 450000500170000000800410001710000270005824501030008526000280018830000110021665000130022720260328104300.0260328s9999||||xx |||||||||||||| ||und||  aBrundtland, Gro Harlem 0aOUR common Future :b the World commission on environment and Development /cGro Harlem Brundtland  bOxford University Press  a400 p.  aHISTORIA