1. The Lanchester-Betz limit (energy conversion efficiency factor for windmills)
2. Windmill of the NEJ type. Transactions of the Central Institute for Aero-Hydrodynamics of Moscow 1920. Also published in Joukowsky NE. Collected Papers Vol VI. The Joukowsky Institute for AeroHydrodynamics, Moscow: vol VI, 405–409, 1937 (in Russian).
3. Fourth paper published in the Transactions of the Office for Aerodynamic Calculations and Essays of the Superior Technical School of Moscow 1918 (in Russian). Also published in Gauthier-Villars et Cie. (eds). Théorie Tourbillonnaire de l'Hélice Propulsive, Quatrième Mémoire. 123–146: Paris, 1929 (in French).