Langbein, Laura Irwin <br/><br/>
Ecological inference 
Laura Irwin Langbein, Allan J. Lichtman 
 - Beverly Hills  SAGE Publications  1978 
 - 70 p. : ill. ; 21 cm. 
 - Quantitative applications in the social sciences  v. 10 .
<br/><br/> Record to be deleted 
<br/><br/>p. 68-70 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Statistical methods<br/>Social sciences--Mathematical models