Magnusson David Ed. <br/><br/>
Data quality in longitudinal research. 

 - Cambridge  Cambridge University Press       1990 
 - xii,285p  cm. 
<br/><br/><label>Standard No.: </label>33052 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>Sigma:f, N0