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1
Measures to protect the ozone layer : status report to the goverment regarding the CFC phaseout and proposals for measures with regard to halons, 1,1,1-trichloroethane, carbon tetrachloride and HCFC's /
Publicado 1989
“...Swedish Environmental Protection Agency;...”
Libro
2
Wetlands and lakes as nitrogen traps : a reseach progamme for the period 1 july 1990-30 june 1994 /
Publicado 1994
“...Swedish Environmental Protection Agency Report;...”
Libro
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