id	domain	url
gist-404	dx.doi.org	http://dx.doi.org/10.18552/joaw.v1i1.1
gist-404	files.eric	http://files.eric
gist-404	files.eric.ed.gov	http://files.eric.ed.gov/fulltext/ej1034097.pdf
gist-404	dx.doi.org	http://dx.doi.org/10.14221
gist-404	dx.doi.org	http://dx.doi.org/10.1016/j.asw.2011.11.003
gist-404	dx.doi	http://dx.doi