Kathpalia, Yash Pal <br/><br/>
Conservation and restoration of archive materials / 
Yash Pal Kathpalia. 
 - Paris :  UNESCO,  1973. 
 - fot., otros 
 - Documentation, libraries and archives: studies and research; 3 .
<br/><br/><label>ISBN: </label>9231010735 
<br/><br/><label>No. de Clasificación Universal Decimal: </label>025.85 =20 "1973" KAT No.3.