id	domain	url
dpc-2524	doi.org	https://doi.org/10.5826/dpc.1301a35
dpc-2524	creativecommons.org	https://creativecommons.org/licenses/by-nc/4.0/
dpc-2524	www.pewresearch.org	https://www.pewresearch.org/internet/2017/10/04/americans-attitudes-toward-a-future-in-which