Electrogravitics Systems Reports on a New Propulsion Methodology Valone Thomas Heftet / 1999 / Engelsk
Electrogravitics II, 2nd Edition Validating Reports on a New Propulsion Methodology Valone Thomas Heftet / 2005 / Engelsk
Practical Conversion of Zero-Point Energy Feasibility Study of the Extraction of Zero-Point Energy from the Quantum Vacuum for the Performance of Useful Work: 3rd Edition Valone Thomas Heftet / 2005 / Engelsk
Homopolar Handbook A Definitive guide to Faraday Disk & N-Machine Technologies Valone Thomas Heftet / 1998 / Engelsk