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ap-7011	doi.org	https://doi.org/10.14311/ap.2021.61.0562
ap-7011	doi.org	https://doi.org/10.14311/ap.2021.61.0562
ap-7011	creativecommons.org	https://creativecommons.org/licenses/by/4.0
ap-7011	www.cvut.cz	https://www.cvut.cz/en
ap-7011	doi.org	https://doi.org/10.1016/s0142-727x(02)00206-0
ap-7011	doi.org	https://doi.org/10.1088/0957-0233/11/7/313
ap-7011	doi.org	https://doi.org/10.4236/jcpt.2014.41007
ap-7011	doi.org	https://doi.org/10.1088/0957-0233/21/1/015105
ap-7011	doi.org	https://doi.org/10.1016/s0142-727x(02)00206-0
ap-7011	doi.org	https://doi.org/10.1088/0957-0233/11/7/313
ap-7011	doi.org	https://doi.org/10.4236/jcpt.2014.41007
ap-7011	doi.org	https://doi.org/10.1088/0957-0233/21/1/015105