Balloffet Nelly <br/><br/>
Preservation and conservation for libraries and archives  

 - 1 
 - New delhi   Ess Ess publication  2009 
 - p 
<br/><br/><label>ISBN: </label>978-81-7000-601-5 
<br/><br/><label>Dewey Class. No.: </label>25.8  / BAL/HIL