00349nam a2200121 a 450000500170000002000150001708200160003210000060004811000330005424500760008726000420016330000220020520251203110135.0  a0198294107  a306.42bMAN  d_  aMansell, Robin and Wehn, Uta  aKnowledge societiesbInformation technology for sustainable development  aOxfordbOxford University pressc1998  avii,323p.c23 cm.