Langwell, W H. <br/><br/>
Conservation of books and documents 
/ by W. H. Langwell. 
 - London :  Sir Issac Pitman,  2000. 
 - 114 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science<br/>Information science<br/>Library operations<br/>Preservation<br/>Books conservation<br/>Documents conservation
<br/><br/><label>Dewey Class. No.: </label>025.84  / LAN