The demography of tropical africa 
/ by William Brass, Ansley J. Coale, Paul Demeny, ... 
. - Princeton ;   New Jersey  : Princeton University Press, 1968
. - XXIX-539 p.  ; 25 cm. 
<br/><br/>Index. 
<br/><br/><label>Source: </label>26718  Achat 
<br/><br/><label>Universal Decimal Class. No.: </label>312.