1- XO-5b: A Transiting Jupiter-sized Planet with a 4 Day Period
Burke, C.; McCullough, P.; Valenti, J.; Long, D.; Johns-Krull, C.; Machalek, P.; Janes, K.; Taylor, B.; Fleenor, M.; Foote, C.; Gary, B.; Garcia-Melendo, E.; Gregorio, J.; Vanmunster, T.
Astrophysical journal 686, 1331-1340 (2008)

2- XO-3b: A Massive Planet in an Eccentric Orbit Transiting an F5 V Star
Johns-Krull, C.; McCullough, P.; Burke, C.; Valenti, J.; Janes, K.; Heasley, J.; Prato, L.; Bissinger, R.; Fleenor, M.; Foote, C.; Garcia-Melendo, E.; Gary, B.; Howell, P.; Mallia, F.; Masi , G.; Vanmunster, T.
Astrophysical journal 677, 657-670 (2008)

3- XO-2b: Transiting Hot Jupiter in a Metal-rich Common Proper Motion Binary
Burke, C.; McCullough, P.; Valenti, J.; Johns-Krull, C.; Janes, K.; Heasley, J.; Summers, F.; Stys, J.; Bissinger, R.; Fleenor, M.; Foote, C.; Garcia-Melendo, E.; Gary, B.; Howell, P.; Mallia, F.; Masi , G.; Taylor, B.; Vanmuster, T.
The astrophysical journal 671, 2115-2118 (2007)