1. Estimation of the spatial distribution of the population and the SO2 emission in Europe and Turkey within the EMEP grid;Amble,1981
2. Chemical studies of stack fly ash from a coal-fired power plant;Coles;Envir. Sci. Technol.,1979
3. National inventory of sources and emissions: manganese—1968;Davis,1971
4. Emissions of sulphur dioxide in Europe in 1978;Dovland,1979