id	domain	url
fennia-67662	doi.org	https://doi.org/10.1111/j.0066-4812.2005.00534.x
fennia-67662	doi.org	https://doi.org/10.1111/j.1540-4781.2007.00678.x
fennia-67662	doi.org	https://doi.org/10.1111/j.1540-4781.2011.01207.x
fennia-67662	doi.org	https://doi.org/10.1080/1464936052000335937
fennia-67662	doi.org	https://doi.org/10.1111/0033-0124.00265
fennia-67662	www.treccani.it	http://www.treccani.it/enciclopedia/lingua-franca/