You will find information about related topics at the following addresses:

Aquapol.net	Aquapol Websites
Oevr.at	ÖVR - Österreichische Vereinigung für Raumenergie (Austrian Association of Space Energy)
Tesla-info.de	Nikola Tesla - Nikola Tesla, the Forgotten Genius
Erfinderverband.at	ÖAustrian Association of Patent Holders and Inventors
Amasci.com	Free Energy Websites
Austria.org	Economic News Austria
Members.aol.com	Free Energy, Anti-gravitation, Hyper Physics