National Gallery  <br/><br/>
National gallery technical bulletin 

 - London:   National Gallery Publications,   1993 
 - 96 p. 
<br/><br/><label>ISBN: </label>1857090330 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Visual Arts
<br/><br/><label>Dewey Class. No.: </label>751.03  / N213N V14