TY - JOUR AU - Marek Sikora AU - Mitchell Begelman BT - The Astrophysical Journal DA - 2013-02 DO - 10.1088/2041-8205/764/2/L24 PY - 2013 EP - L24 T2 - The Astrophysical Journal TI - Magnetic flux Paradigm for Radio Loudness of Active Galactic Nuclei VL - 764 SN - 2041-8205 ER -