@Article{bennett,
	author =	{Li, Z.Y. and  Bennett, R.G.T. and Stedman, G.E.},
	title = 	"{Swept-frequency induced optical cavity ringing}",
	journal =	{Optics Communications},
	volume =	{86},
	number =	{1},
	month =	{October},
	year =	{1991},
}