Smith, T.L(:ZOPF, P.E. <br/><br/>
Demography principles & Methods 

 -  E.A Davis Com.:Philadelphia  1970 
 - 590 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>DEMOGRAPHY
<br/><br/><label>Dewey Class. No.: </label>312  / S53