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

 - Beverly  hills Sage Pub.         1978 
 - 70p.  cm. 
 - Quantitative application in the social sciences; 10 .
<br/><br/> Bibliography 68-70p 
<br/><br/><label>Standard No.: </label>26784 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B280bsigma, L8