Roy, Ashok <br/><br/>
The national gallery technical bulletin 
Ashok Roy; National Gallery (Great Britain) 
 - London ; New Haven  Distributed by Yale University Press ; National Gallery Company  2009 
 - 112 p. : ill. (some col.) ; 30 cm 
<br/><br/><label>ISBN: </label>9781857093209 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Art -- Technique<br/>Painting -- Conservation and restoration
<br/><br/><label>Dewey Class. No.: </label>751.62 ROY