Langbein, Laura Irwin. <br/><br/>
Ecological inference /    
Laura Irwin Langbein and Allan J. Lichtman . 
 - Newbury Park :   Sage Publishing,   1978. 
 - 70 p. :    ill. ;    22 cm. 
 - Quantitative applications in the social sciences, a sage sciences un iversity paper ;   no. 10 .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0803909411 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences --Statistical methods.------<br/>Social sciences--Statistical methods.------
<br/><br/><label>Dewey Class. No.: </label>300.182