Verhoef, L. G. W. <br/><br/>
Soiling and cleaning of building facades : report of Technical Committee 62 SCF, RILEM (the International Union of Testing and Research Laboratories for Materials and 

 - CRC 
<br/><br/><label>ISBN: </label>9780367451233 
<br/><br/><label>Dewey Class. No.: </label>648.5