1. C. M. Van-Atta, “Theory and performance characteristics of a positive displacement rotary compressor as mechanical Booster vacuum-pump,” in Nat. Sympos. Vacuum Technol (Pergamon Press, London, 1957), pp. 62–70.
2. V. I. Kouznetsov, “Volumetric efficiency of Roots pumps”, in Physics and technics of vacuum (Kazan, 1974), pp. 177–184. Russian.
3. Combined experimental and calculation study of conductance of Roots pump channels
4. Theoretical and experimental investigation of rarefied gas flow in molecular pumps
5. M. Mamontov, [Questions of variable mass body thermodynamics] (Priokskoe knizhnoe izdatelstvo, Tula, 1970). Russian