TY - JOUR AU - Greg Salvesen AU - Phillip Armitage AU - Jacob Simon AU - Mitchell Begelman BT - Monthly Notices of the Royal Astronomical Society DA - 2016-05 DO - 10.1093/mnras/stw1231 PY - 2016 EP - stw1231 T2 - Monthly Notices of the Royal Astronomical Society TI - Strongly magnetized accretion discs require poloidal flux UR - http://mnras.oxfordjournals.org/lookup/doi/10.1093/mnras/stw1231 SN - 0035-8711 ER -