00488cam a2200145 a 450000500170000000800410001702000150005802000180007304100080009110000220009924500830012125000120020426000250021670001010024120260501142813.0890731s1988    it a     b    000 0 eng d  a9290770813  a9789290770817  aeng1 aTorraca, Giorgio.10aPorous materials building : materials science for architectural conservation /  a3rd ed.  aRoma :bICCROMc19881 aInternational Centre for the Study of the Preservation and the Restoration of Cultural Property.