id	domain	url
epaa-156	creativecommons.org	http://creativecommons.org/licenses/by-nc-nd/2.5/
epaa-156	epaa.asu.edu	http://epaa.asu.edu/epaa/v13n51/
epaa-156	epaa.asu.edu	http://epaa.asu.edu/epaa/v18n41/
epaa-156	www.census.gov	http://www.census.gov/popest/archives/1990s/
epaa-156	www.census.gov	http://www.census.gov/popest/archives/1980s/
epaa-156	www.census.gov	http://www.census.gov/popest/archives/pre-1980/e7080sta.txt
epaa-156	epaa.asu.edu	http://epaa.asu.edu