1. Stone Decay and Conservation: Atmospheric Pollution, Cleaning, Consolidation and Protection;Amoroso,1983
2. Effect of pollution by SO2 on marble and sandstone;Babu Rao;J. Archaeol. Chem.,1983
3. Protection Against Atmospheric Corrosion;Barton,1976
4. Trends in materials degradation rates in the U.K.;Bawden;Ind. Corros.,1989
5. The effect of acid deposition on buildings and building materials in the United Kingdom,1989