id	domain	url
er-2781	www.wce.wwu.edu	http://www.wce.wwu.edu/resources/cep/ejournal/v002n002/a010.shtml
er-2781	www.corestandards.org	http://www.corestandards.org/the_standards
er-2781	www.ed.psu.edu	http://www.ed.psu.edu/educ/news/news-october-december
er-2781	ctl.uoregon.edu	http://ctl.uoregon.edu/node/1018