1. F.P.M. Dullens, Modelling and Control of a Controllable Pitch Propeller (Technische Universiteit Eindhoven, Eindhoven, 2009)
2. R.W. Keefe, Design of a Controllable Pitch Underwater Thruster System (Woods Hole Oceanographic Institution, Massachusetts Institute of Technology, Cambridge, 1993)
3. A Smart Way of Using a Controllable Pitch Propeller, Kamome Propeller
4. SCP Controllable Pitch Propeller—Application-Oriented Propulsion Systems, Schottel Schiffsmachinen GmbH
5. Appendix A—Controllable Pitch Propeller Hydraulic Oil: Nature of Discharge, Phase I Final Rule and Technical Development Document of Uniform National Discharge Standards (UNDS), United States Environmental Protection Agency, 1999, p. 17