Columbia subject headings:
Aeronautics--Law and legislation--Brazil.
Aeronautics--Law and legislation--Chile.
Aeronautics--Law and legislation--Colombia.
Harvard subject headings:
Aeronautics--Brazil.
Aeronautics--Chile.
Aeronautics--Colombia.
Aeronautics--Law and legislation--Brazil
Aeronautics--Law and legislation--Chile
Aeronautics--Law and legislation--Colombia.
Princeton subject headings: