World population trends and policies  : 1987 : monitoring report : special topics : fertility and women's life cycle and socio-economic differentials in mortality  
/ United Nations 
. - New York  : United Nations, 1988
. - 411 p.  ; 28 cm. 
<br/><br/><label>ISBN: </label>9211511682 
<br/><br/><label>Source: </label> Dons divers 
<br/><br/><label>Universal Decimal Class. No.: </label>312.8