- Engine. New York: D
Appleton and Co. Traupel, W (1977).
Thermische Turbomaschinen (in German).
Springer Verlag: Berlin, Heidelberg, New York. Waliullah...
- Hanns-Jürgen; Röhner, Markus; Uhlmann,
Eckart (2010). Hammel,
Christian (ed.).
Turbomaschinen in Berlin-Brandenburg (PDF) (in German).
Technologiestiftung Berlin...
-
Traupel became professor emeritus in 1984. Two-volume work
Thermische Turbomaschinen (Thermal Turbomachinery)
considered a
classic in the
field of technology...
- Lichtfuß;
Markus Röhner;
Eckart Uhlmann (2010).
Christian Hammel (ed.).
Turbomaschinen in Berlin-Brandenburg (PDF) (in German).
Technologiestiftung Berlin...
- 1927 DE
patent 443163C, Th. von Kármán & K. Frommn, "Schaufelung für
Turbomaschinen u. dgl. [For
turbomachinery blading, etc.]",
published 22
April 1927 ...