Economic theory of optimal population / 
Klaus F. Zimmermann (ed.) with contributions by Z. Eckstein ... et. al. 
 - Berlin :  Springer-Verlag,  1989 
 - 182 p.;  25 cm. 
<br/><br/><label>ISBN: </label>3540507922 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population