UNESCO <br/><br/>
Conservation of cities 
by UNESCO 
 - Paris  UNESCO Press  1975 
 - 186p 
<br/><br/><label>ISBN: </label>9231010875 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Architecture -Conservation and restoration.<br/>City planning
<br/><br/><label>Dewey Class. No.: </label>J72 UN3