1. Soiling of building materials;Beloin;J. Air Pollution Contr. Assoc.,1975
2. Study to Determine Residential Soiling Costs of Particulate Air Pollution;Booz,1970
3. An Economic and Technical Appraisal of Air Pollution in the United Kingdom;Department of Trade and Industry,1972
4. A direct measurement method for dustfall;Esmen;J. Air Pollution Contr. Assoc.,1973