TY - JOUR AU - D. Lazzati AU - B. Morsony AU - R. Margutti AU - Mitchell Begelman BT - The Astrophysical Journal DA - 2013-02 DO - 10.1088/0004-637X/765/2/103 PY - 2013 EP - 103 T2 - The Astrophysical Journal TI - Photospheric Emission as the Dominant Radiation Mechanism in Long-Duration Gamma-Ray Bursts VL - 765 SN - 0004-637X ER -