TY - JOUR AU - Mitchell Begelman BT - The Astrophysical Journal DA - 01/2006 DO - 10.1086/498060 PY - 2006 SP - 995 EP - 1001 T2 - The Astrophysical Journal TI - Nonlinear Photon Bubbles Driven by Buoyancy VL - 636 SN - 0004-637X ER -