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

 - 1st ed. 
 - Beverly Hills, Calif.  Sage Publications  c1978 
 - 70 p. : ill. ; 21 cm. 
<br/><br/><label>ISBN: </label>9780803909410 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences - Mathematical models<br/>Social sciences - Statistical methods
<br/><br/><label>Dewey Class. No.: </label>300.182 
, A3/1