Bennett, D. P.; et al. (2010-04), “Masses and Orbital Constraints for the OGLE-2006-BLG-109Lb,c Jupiter/Saturn Analog Planetary System”, Astrophysical Journal713 (2): 837-855, Bibcode: 2010ApJ...713..837B, doi:10.1088/0004-637X/713/2/837
Bennett, D. P.; et al. (2010-04), “Masses and Orbital Constraints for the OGLE-2006-BLG-109Lb,c Jupiter/Saturn Analog Planetary System”, Astrophysical Journal713 (2): 837-855, Bibcode: 2010ApJ...713..837B, doi:10.1088/0004-637X/713/2/837