RCM - Junho 1966

RCM - Junho 1966

http://www.rclibrary.co.uk/title_files/1112/RCM_June_1966.pdf

Model Aviation - Fevereiro 1977

Model Aviation - Fevereiro 1977

http://library.modelaviation.com/ma/1977/2

Flying - Abril 1953

Flying - Abril 1953

The world most widely read aviation magazine.

https://books.google.pt/books?id=G0KHJ9ZgmzsC&printsec=frontcover&hl=pt-PT&source=gbs_ge_summary_r&cad=0#v=onepage&q&f=true

The Vintage Airplane - março 1974

The Vintage Airplane - março 1974

http://www.vaa37.org/index_files/VP-Vol-2-No-3-Mar-1974.pdf

Popular Science - Setembro 1959

Popular Science - Setembro 1959

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