| Avaa | | Strategies and methods to control emissions of sulphur and nitrogen oxides : report and background papers 1982 Stockholm Confedrence on the acidification of the environment, Expert meeting II | | kirja | happamoituminen | Statens naturvårdsverk | Solna | 1983 | 192 | 91-7590-117-X | Rapport / Statens naturvårdsverk ; 1637 | | H-Limnologia |