Building on the work of John R. R. Searl with Vladimir V. Roschin, Sergei M. Godin devised experiments and created devices to electromagnetically counteract the force of gravity. Dr. Thomas Valone assisted Roschin and Godin in obtaining US patents for their inventions.
- "Godin & Roschin?s Magneto-Gravitational Converter", Sterling D. Allan, Free Energy News, March 2004.
- "Godin and Roschin Falsificators & Pseudoscientists", Vlad, www.zpenergy.com, May 2004.
- "V. V. Roschin and S. M. Godin: Verification of the Searl Effect", Ken Wright.