Eigenpoll : Alternative Science books : The Golden Vortex 

The author is Nick Nelson (me) I was also one of the contributors to, Antigravity and the World Grid. Mostly it is about gravational mystery spots around the world; like The Oregon Vortex.
ISBN 1-929096-01-1
The part that will be usefull for this subject matter is, Chapter 5, The Motor in the Magnet.