id	domain	url
cet-13772	www.cetjournal.it	www.cetjournal.it
cet-13772	doi.org	https://doi.org/10.1016/j.biombioe.2019.105257
cet-13772	www.transportenvironment.org	https://www.transportenvironment.org/wpcontent/uploads/2022/06/202206_billions_wasted_on_biofuels_te.pdf
cet-13772	www.grc.nasa.gov	https://www.grc.nasa.gov/www/ceaweb/rp-1311-p2.pdf
cet-13772	www.gaseq.co.uk	http://www.gaseq.co.uk
cet-13772	doi.org	https://doi.org/10.1002/9780813822716.ch6
cet-13772	doi.org	https://doi.org/10.1038/s41598-021-93225-5