Flying - Agosto 1953

Flying - Agosto 1953

https://books.google.pt/books?id=1MLhvL_GNu8C&printsec=frontcover&hl=pt-PT&source=gbs_ge_summary_r&cad=0#v=onepage&q&f=true

The Vintage Airplane - julho 1974

The Vintage Airplane - julho 1974

http://www.vaa37.org/index_files/VP-Vol-2-No-7-July-1974.pdf

Popular Science - Janeiro 1960

Popular Science - Janeiro 1960

https://books.google.pt/books?id=QioDAAAAMBAJ&printsec=frontcover&hl=pt-PT&source=gbs_ge_summary_r&cad=0#v=onepage&q&f=true

Livro - Radio Control Annual No. 5

Radio Control Annual No. 5 - 1975

Parte 1

http://www.rclibrary.co.uk/title_files/1141/RadioControlAnnual5_1.pdf

Parte 2

http://www.rclibrary.co.uk/title_files/1141/RadioControlAnnual5_2.pdf

L'Aquilone - Junho 1939

L'Aquilone - Junho 1939

http://www.avia-it.com/act/biblioteca/periodici/PDF%20Modelismo/Aquilone/1939/L'Aquilone%201939%2006.pdf