id	domain	url
cet-13749	www.cetjournal.it	www.cetjournal.it
cet-13749	www.gasodor-s-free.com	https://www.gasodor-s-free.com/
cet-13749	www.marcogaz.org	https://www.marcogaz.org/odorisation-of-natural-gas-and-hydrogen-mixtures
cet-13749	www.eia.gov	https://www.eia.gov/todayinenergy>