Open Science Research Excellence
Barenten Suciu and  Akio Miyamura,  On the Efficiency of a Double-Cone Gravitational Motor and Generator.   journal   = {International Journal of Mechanical, Aerospace, Industrial, Mechatronic and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology. November 2017, vol. 131(11). 1791 - 1798[viewed 20 February 2019]. Available from: http://waset.org/publications/10008186.