Hopper, Leonard J. <br/><br/>
Field Guide to Hardscape 

 -  John Wiley & Sons, Inc.  c2010 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780470429655 
<br/><br/><label>Dewey Class. No.: </label>717 H77 2010