Explore a Bolivia y Argentina. 

 - Florida-XXU  :   Cicerone Publishing,   1977. 
 - p. 14-16 :   il. 
 - Irregular 
 - Aņo 8, no. 36 (Abr./May. 1977) 
 - Cicerone ;   no. 36 .
 - Florida.   Cicerone Publishing. .