Michelle Rucker, John Connolly. Deep Space Gateway – Enabling Missions to Mars – Shakedown Cruise Simulating Key Segments of Mars Orbital Mission. Mars Study Capability Team (2018). NASA.
Smitherman, David; Needham, Debra; Lewis, Ruthan (February 28, 2018). Research Possibilities Beyond Deep Space Gateway(PDF). Deep Space Gateway Concept Science Workshop. February 27 – March 1, 2018. Denver, Colorado.