Encyclopedia of world problems and human potential / 
 World problems and human potential 
edited by Union of International Associations. 
 - Munchen :  Saur,  1986- 
 - (in various pagings). :  ill. 
 - 2nd ed.- 
 - UAI publication .
 - Publication (Union of International Associations). .
<br/><br/><label>ISBN: </label>3598218648 
<br/><br/><label>ISSN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social problems--Periodicals.<br/>Civilization, Modern--Periodicals.--20th century