id	domain	url
cet-15079	www.cetjournal.it	www.cetjournal.it
cet-15079	doi.org	https://doi.org/10.22260/isarc20
cet-15079	www.duna-drava.hu	https://www.duna-drava.hu/en/portland-cement-en-1971-cem-i-525-n-beremend>
cet-15079	www.iso.org	https://www.iso.org/standard/37456.html>