TY - JOUR AU - Nicholas Featherstone AU - M. Browning AU - Allan Brun AU - Juri Toomre BT - Astronomische Nachrichten DA - 2007-12 DO - 10.1002/(ISSN)1521-399410.1002/asna.v328:1010.1002/asna.200710888 PY - 2007 SP - 1126 EP - 1129 T2 - Astronomische Nachrichten TI - Dynamo action in the presence of an imposed magnetic field VL - 328 SN - 00046337 ER -