//-->
Los siglos XVI, XVII y XVIII, Alejandro Humboldt, Carlos Darwin, la EspaƱola, Cuba y Puerto Rico
Chardon, Carlos E., (1949)
National science and technology councils in Latin America : Achievement and failures of the first ten years
Amadeo, Eduardo, (1979)
Toward an Andean common market for science and technology : public policy for science, technology, and industrialization in the Andean Group
Seidel, Robert Neal, (1974)
Natural resources, a shift of emphasis from best utilisation to conservation
Herrera, Amilcar, (1980)