TY - CPAPER AU - Mitchell Begelman BT - unknown CY - Noto, Italy DA - 00/1989 N1 - JILA Pub. 4006 PB - Dordrecht and Boston, MA, Kluwer Academic Publishers PP - Noto, Italy PY - 1989 T2 - unknown TI - Magnetic fields in the central engines of active galactic nuclei UR - http://link.springer.com/chapter/10.1007/978-94-009-2401-7_27 ER -