id	domain	url
ap-6304	doi.org	https://doi.org/10.14311/ap.2021.61.0049
ap-6304	doi.org	https://doi.org/10.14311/ap.2021.61.0049
ap-6304	creativecommons.org	https://creativecommons.org/licenses/by/4.0
ap-6304	www.cvut.cz	https://www.cvut.cz/en
ap-6304	dx.doi.org	http://dx.doi.org/10.1137/s0036142996310976
ap-6304	dx.doi.org	http://dx.doi.org/10.1393/ncc/i2008-10323-4
ap-6304	dx.doi.org	http://dx.doi.org/10.1007/s10013-019-00369-z