Social ecology.  

 - [S.l.]  MIT Press  1969.  
<br/><br/><label>ISBN: </label>0262540223 (pbk.) 9780262540223 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human ecology.<br/>Social sciences--Statistical methods.
<br/><br/><label>LC Class. No.: </label>HM206  / .D6