I believe this is the home page of one of the researchers: http://www.ilsb.tuwien.ac.at/~tajmar/ http://www.ilsb.tuwien.ac.at/~tajmar/ Link to a pertinent pape

I believe this is the home page of one of the researchers: http://www.ilsb.tuwien.ac.at/~tajmar/ http://www.ilsb.tuwien.ac.at/~tajmar/ Link to a pertinent paper: http://www.arxiv.org/abs/gr-qc/0603033v1 http://www.arxiv.org/abs/gr-qc/0603033v1