id	domain	url
cet-3905	www.aidic.it	www.aidic.it/cet
cet-3905	www.researchgate.net	https://www.researchgate.net/researcher/78742698_v_d_belov
cet-3905	www.researchgate.net	https://www.researchgate.net/profile/a_koltygin
cet-3905	www.researchgate.net	https://www.researchgate.net/profile/n_belov2
cet-3905	www.researchgate.net	https://www.researchgate.net/researcher/77866501_i_v_plisetskaya