Development of Spoiler Controls for Remote Control of Flying Missiles: Nasa Technical Reports Server (Ntrs): 9781287266389: Amazon.com: Books
NASA Technical Reports Server (NTRS) 19930094776: The new "Charlestop" remote brake transmission and control : NASA Technical Reports Server (NTRS) : Free Download, Borrow, and Streaming : Internet Archive
NASA Technical Reports Server (NTRS) 19930094776: The new "Charlestop" remote brake transmission and control : NASA Technical Reports Server (NTRS) : Free Download, Borrow, and Streaming : Internet Archive