Fritz, T. K., Gillessen, S., Dodds-Eden, K., Martins, F., Bartko, H., Genzel, R., et al. (2010). GC-IRS13E-a puzzling association of three early-type stars. The Astrophysical Journal, 721(1), 395-411. doi:10.1088/0004-637X/721/1/395.