Weidner, Helmut2007-11-121985-04-012007-11-121985http://hdl.handle.net/10625/8478Related to DAP 87-4249 under which IDRC supported the WCED to acquire and duplicate original papers, submissions, tapes and transcripts, became the depository of all original archival materials and received the right to microfiche the collection for broader disseminationText92 p. : ill.Application/pdfenAIR POLLUTIONPOLLUTION CONTROLAIR POLLUTANTSAIR QUALITYGERMANY FRSULPHUR DIOXIDENITROGEN OXIDESTRENDSENVIRONMENTAL EFFECTSINDICATORSECONOMIC ASPECTSLEGISLATIONREGULATIONSSTANDARDSENVIRONMENTAL PROTECTIONConference Paper