Carlson, Allan C. <br/><br/>
Facetas ;   No. 55 

 - Washington-XXU :   International Communicational Agency United States of America,   1982. 
 - p. 69-71 :   il. 
 - Trimestral 
 - No. 55(1982).  
 - Facetas ;   No. 55 .
 - International Communicational Agency United States of America. .