TY - JOUR AU - Mitchell Begelman AU - R. Blandford AU - M. Rees BT - Reviews of Modern Physics DA - 4/1984 DO - 10.1103/RevModPhys.56.255 PY - 1984 SP - 255 EP - 351 T2 - Reviews of Modern Physics TI - Theory of extragalactic radio sources VL - 56 SN - 0034-6861 ER -