STECEVICIUS, R. Evaluation of Doppler Effect in Receiving Radio Signals from Planets. Elektronika ir Elektrotechnika, [S. l.], v. 12, n. 3, 1997. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/15870. Acesso em: 27 oct. 2020.