Diagnosing decay: the value of medical analogy in understanding the weathering of building stones, B J Smith and R Prikryl • Understanding the Earth scientist's role in the pre-restoration research of monuments: an overview, R Prikryl • Inventorying built heritage and its raw materials • The rediscovery of an ancient exploitation site of Piperno, a valuable historical stone from Phlegraean Fields (Italy), D Calcaterra, P Cappelletti, M De Gennaro, R De Gennaro, F De Sanctis, A Flora and A Langella • Natural stone portals of the town of Udine (Italy): their design, construction and materials between the 15th and the 20th centuries, A Frangipane • The dimension stone potential of Thailand - overview and granite site investigations, A Hoffmann and S Siegesmund • Characterization of serpentinites to define their appropriate use as dimension stone, D Pereira, M Yenes, J A Blanco and M Peinado • Kirmenjak - Pietra d'Istria: a preliminary investigation of its use in Venetian architectural heritage, M Šimunic Buršic, D Aljinovic and S Cancelliere • Photo-based decay mapping of replaced stone blocks on the boundary wall of Worcester College, Oxford, M J Thornbush and H A Viles • Patterns and monitoring of decay • An holistic approach to the assessment of stone decay: Bonamargy Friary, Northern Ireland, S McCabe, B J Smith and P A Warke • Stone decay induced by fire on historical buildings: the case of the cloister of Lisbon Cathedral (Portugal), A Dionisio • The weathering and weatherability of Basílica da Estrela stones, Lisbon, Portugal, C A M Figueiredo, L Aires-Barros, M J Basto, R C Graça and A Maurício • The mineralogical and chemical methods in investigations of decay of the Devonian black 'marble' from Debnik (Southern Poland), M Marszalek • Processes of decay • Effect of long-term changes in air pollution and climate on the decay and blackening of European stone buildings, C M Grossi and P Brimblecombe • Modelling of the calcareous stone sulphation in polluted atmosphere after exposure in the field, R-A Lefèvre, A Ionescu, P Ausset, A Chabas, F Girardat and F Vince • Decay of natural stones caused by fire damage, J Sippel, S Siegesmund, T Weiss, K-H Nitsch and M Korzen • Post-depositional modification of atmospheric dust on a granite building in central Rio de Janerio: implications for surface induration and subsequent stone decay, B J Smith, J J McAlister, J A Baptista Neto and M A M Silva • Dilation of building materials submitted to frost action, C Thomachot and N Matsuoka • Salt decay testing • The effects of wetting and drying, and marine salt crystallization on calcarenite rocks used as building material in historic monuments, G F Andriani and N Walsh • Stone properties and weathering induced by salt crystallization of Maltese Globigerina Limestone, E Rothert, T Eggers, J Cassar, J Ruedrich, B Fitzner and S Siegesmund • Length changes of sandstones caused by salt crystallization, J Ruedrich, M Seidel, E Rothert and S Siegesmund • Complex weathering effects on durability characteristics of building stone, P A Warke and B J Smith • Record of decay in rock properties • Controls on permeability: implications for stone weathering, J M McKinley and P A Warke • Texture, spatial and orientation dependence of internal strains in marble: a key to understanding the bowing of marble panels? C Scheffzük, S Siegesmund, D I Nikolayev and A Hoffmann • The influence of lithology and pore-size distribution on the durability of acid volcanic tuffs, Hungary, Á Török, L Z Forgó, T Vogt, S Löbens, S Siegesmund and T Weiss • Differences in texture, physical properties and microbiology of weathering crust and host rock: a case study of the porous limestone of Budapest (Hungary), Á Török, S Siegesmund, C Müller, A Hüpers, M Hoppert and T Weiss • A comparative and critical study of X-ray CT and neutron CT as non-destructive material evaluation techniques, J Vlassenbroeck, V Cnudde, B Masschaele, M Dierick, L van Hoorebeke and P Jacobs • Performance in use and conservation • Rock petrophysics vs. performances of protective and consolidation treatments: the case of Mt. Arzolo Sandstone, F Carò and A Di Giulio • Overview of recent knowledge of patinas on stone monuments: the Spanish experience, C Vazquez-Calvo, M Alvarez de Buergo and R Fort • Green walls?: integrated laboratory and field testing of the effectiveness of soft wall capping in conserving ruins, H A Viles and C Wood