Tests on an airplane model, AEG D I of the Allgemeine Elektricitats Gesellschft, A-G, airplane construction section conducted at the Gottingen Model Testing Laboratory for Aerodynamics (1923)
NASA Technical Reports Server (NTRS) · leaf 29
Rolling moment coefficient … Test data with varying aileron settings. Stabilizer 3° 45' Test data with varying slevat-::r settings. Stabilizer 6° 30'
NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.