1. Hoagland, L. C.; Demler, R. L.; Gerstmann, J.: Design Features and Initial Performance Data on an Automotive Steam Engine Part I — Overall Powerplant Description and Performance; Scientific Energy Systems Corp.; SAE 740295
2. Syniuta, W. D.; Palmer, R. M.: Design Features and Initial Performance Data on an Automotive Steam Engine Part II — Reciprocating Steam Expander — Design Features and Performance; Scientific Energy Systems Corp., Ricardo & Co. Engineers (1927), Ltd.; SAE 740296
3. Demler, Roger L.: The Application of the Positive Displacement Reciprocating Steam Expander to the Passenger Car; Scientific Energy Systems Corp.; SAE 760342
4. Platell, Ove B.: Progress of Saab Scania's Steam Power Project; Saab Scania AB (Sweden); SAE 760344
5. v. Fersen, Olaf: Saab Dampfmotor; mot 12/75