Stapledon, George. <br/><br/>
Human ecology 

 - London :  Faber and Faber,  1964 
 - 240 p. 
<br/><br/><label>LCCN: </label>57664 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecología humana.
<br/><br/><label>Dewey Class. No.: </label>301.1  / S83