Population crisis   : an interdisciplinary perspective 
/ ed. by Sue Titus Reid, David L.Lyon 
. - London  : Scott, Foresman and Company, 1972
. - 220 p  ; 26 cm 
<br/><br/>Bibliogr.Index. 
<br/><br/><label>Source: </label>33281  Achat 
<br/><br/><label>Universal Decimal Class. No.: </label>312.81