id	domain	url
cet-13502	www.cetjournal.it	www.cetjournal.it
cet-13502	doi.org	https://doi.org/10.1016/c2013-0-14457-1
cet-13502	doi.org	https://doi.org/10.1002/j.2334-5837.2013.tb03016.x
cet-13502	doi.org	https://doi.org/10.1109/icre.2003.1232732