Louv, Richard. <br/><br/>
The nature Principle: Human restoration and the end of nature-deficit disorder. 

 - North Carolina  Algonquin Books Of Chapel Hill.  2011 
 - p  cm 
<br/><br/><label>ISBN: </label>9781565125810 
<br/><br/><label>Dewey Class. No.: </label>128 LOU