00479nam a2200169 a 450000500170000008200130001710000060003011000520003624500220008826000410011030000280015169000120017996400250019199700180021699900170023495200580025120251203090723.0  a577bWOR  d_  aWorld Commission on environment and development  aOur common future  aDelhibOxford University Pressc1987  axviii, 383p, 23 cm.bHB  aEcology  bENGc100de010fg_  a19917 LIBSC C  c17584d17584  00104070aPUbPUd1998-11-18l0o577 WORp19917yBK