@article { 7,
	title = {An Interferometer For Atoms},
	journal = {Physical Review Letters},
	volume = {66},
	year = {1991},
	pages = {2693-2696},
	url = {/files/tkg/files/07.keith_.1991.aninterferometerforatoms.s.pdf},
	author = {David Keith and Christopher Ekstrom and Quentin Turchette and David Pritchard}
}
