World population prospects as assessed in 1973 / 
Department of Economic and Social Affairs. 
 - New York :  United Nations,  1977. 
 - viii, 183 p. : 
<br/><br/> "United Nations publication: sales no. E.76. XIII.4." 
<br/><br/><label>ISBN: </label>GDB912 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population.
<br/><br/><label>Dewey Class. No.: </label>306.4  / Wo