MacDowall, David William <br/><br/>
Coin collections :    their preservation, classification and presentation / 
David William MacDowall 
 - [S.l.]:  UNESCO,  1978 
 - 82 p., 15 láms. 
<br/><br/> Bibliografía: p. 78-82 
<br/><br/><label>ISBN: </label>9231016199 
<br/><br/><label>Subjects--Topical Terms: </label><br/>NUMISMATICA<br/>CATALOGACION<br/>CONSERVACION DE MONEDAS