Manski, Charles F. <br/><br/>
Identification problems in the Social Sciences  / 

 - Massachusetts:  Harvard University Press,  1995 
 - x, 172p. Index 
<br/><br/><label>ISBN: </label>0674442830 
<br/><br/><label>Dewey Class. No.: </label>330.015195  / M288.IP