Ducans ,Otis Dudley <br/><br/>
Introduction to Structural Equations Models   
by Otis Dudley Duncan. 
 - New York  Academic Press  1975 
 - Viii,180p. 
 - Studies in population .
<br/><br/><label>ISBN: </label>0122241509 
<br/><br/><label>Dewey Class. No.: </label>301.0182  / N75