Sozzetti A, Torres G, Charbonneau D, Winn JN, Korzennik SG, Holman MJ, Latham DW, Laird JB, Fernandez J, O'Donovan FT, et al. A New Spectroscopic and Photometric Analysis of the Transiting Planet Systems TrES-3 and TrES-4. \apj. 2009;691 (2) :1145-1158.