Langbein, Laura Irwin <br/><br/>
Ecological inference 

 - California  Sage  1978 
 - 70 
<br/><br/><label>ISBN: </label>9780803909410 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences-Statistical methods
<br/><br/><label>Dewey Class. No.: </label>300.727  / LAN-E