Flying - setembro 1956

Flying - setembro 1956

https://books.google.pt/books?id=mww39k8HeOsC&printsec=frontcover&hl=pt-PT&source=gbs_ge_summary_r&cad=0#v=onepage&q&f=true

Livro - Petrol-Engined Model Aircraft

Petrol-Engined Model Aircraft - 1945

http://www.rclibrary.co.uk/files_titles/1600/PetrolEngined_ModelAircraft_Bowden_1945.pdf

Model Aviation - dezembro 1984

Model Aviation - dezembro 1984

http://library.modelaviation.com/ma/1984/12

Model Maker - novembro 1951

Model Maker - novembro 1951

http://www.rclibrary.co.uk/files_titles/1593/ModelMaker_1951_11.pdf

Popular Mechanics - Abril 1986

Popular Mechanics - Abril 1986

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