id	domain	url
spir-8383	www.larica.uniurb.it	http://www.larica.uniurb.it/sigsna
spir-8383	opus.bath.ac.uk	http://opus.bath.ac.uk/20326
spir-8383	firstmonday.org	http://firstmonday.org/htbin/cgiwrap/bin/ojs/index.php/fm/article/view/3368/2779