1. Dunham D W, Farquhar R W. Libration point missions, 1978–2002. In: Proceedings of the Conference of Libration Point Orbits and Applications. Singapore: Word Scientific, 2003. 45–67
2. David F, Karen R. Libration orbit mission design at L2: A MAP and NGST perspective. In: Proceedings of AAS/AIAA Astrodynamics Specialist Conference. Monterey, California: AIAA, 1998. AIAA 98-4469
3. Juillet J J, Collaudin B, Rideau P. The herschel/planck program—technical challenges for two science missions—the spacecraft. In: Proceedings of the 57th International Astronautical Congress. Valenica, Spain: Curran Associates, Inc., 2006. IAC-06-A3.1.2.
4. Farquhar R W. The Control and Use of Libration Point Satellites. Technical Report TR R346, NASA.1970
5. Breakwell J V, Kamel A A, Ratner M J. Station-keeping for a translunar communications station. Celest Mech, 1974, 10(3): 357–373