Kynoch, Daniel, Landt, Hermine, Ward, Martin J, Done, Chris, Boisson, Catherine, Baloković, Mislav, Angelakis, Emmanouil, Myserlis, Ioannis, "The relativistic jet of the γ-ray emitting narrow-line Seyfert 1 galaxy PKS J1222+0413", Monthly Notices of the Royal Astronomical Society, 2019