*"A.M. Gorlov", Helical turbine assembly operable under multidirectional fluid flow for power and propulsion systems, United States Patent 5,642,984, July 1, 1997.
* "A.M. Gorlov", Helical turbine assembly operable under multidirectional fluid flow for power and propulsion systems, United States Patent 5,642,984, July 1, 1997.