That was my point, unless by good references you mean something that explains what they're supposed to be.
Scalar Wave Detector
Changed:7:12 PM on Friday, July 6, 2001
Starts off by explaining how they're undetectable under normal circumstances, being longitudinal photons (or something.)
So, it seems they are basically a rumor that fringe people are exited about without anyone having even defined what they're supposed to be, just that they hold the potential for free energy and destructive power, etc.