The study of population  : An inventory and appraisal 
/ ed. by Philip M. Hauser and Otis Dudley Duncan 
. - Chicago  : The University of Chicago press, 1959
. - XVI-864 p.  ; 25 cm. 
<br/><br/>Index. 
<br/><br/><label>Source: </label>187.15 
<br/><br/><label>Universal Decimal Class. No.: </label>312.