Barla P and S Perelman (2005). “Sulphur Emissions and Productivity Growth in Industrialised Countries.” Annals of Public and Cooperative Economics 76(2): 275-300.
Barla P and S Perelman (2005). “Sulphur Emissions and Productivity Growth in Industrialised Countries.” Annals of Public and Cooperative Economics 76(2): 275-300.