Proceedings of the United Nations I UNCPA expert group meeting on population and development modelling  Geneva, 24-28 Sept. 1979 

 - n.p.  United Nations  1979 
 - 129p.  28cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population
<br/><br/><label>LC Class. No.: </label>DTU HB851.P6