@Article{qed,
	author =	{Stedman, G.E. and Bilger, H.R.},
	title = 	"{Could a ring laser reveal the QED anomaly via vacuum chirality}",
	journal =	{Physics Letter A},
	volume =	{122},
	number =	{6-7},
	month =	{June},
	year =	{1987},
}