id	domain	url
spir-10961	spir.aoir.org	http://spir.aoir.org
spir-10961	www.reuters.com	https://www.reuters.com/article/music-sales/music-streaming-overtakes-physicalsales-for-the-first-time-industry-body-idusl8n1s143h
spir-10961	www.nordicom.gu.se	http://www.nordicom.gu.se/common/publ_pdf/325_fagerjord%20et%20al.pdf
spir-10961	dx.doi.org	http://dx.doi.org/10.3998/mpub.9699689
spir-10961	ssrn.com	https://ssrn.com/abstract=2877276