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2. Barden, B., Howell, K.C. Dynamical Issues Associated With Relative Configurations Of Multiple Spacecraft Near The Sun–Earth/Moon L1 Point, AAS/AIAA Astrodynamics Specialists Conference, Girdwood, Alaska, AAS 99-450, August 16–19, 1999
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5. Cuevas, O., Kraft-Newman, L., Mesarch, M., Woodward, M. An Overview of Trajectory Design Operations for the Microwave Anisotropy Probe Mission, AIAA/AAS Astrodynamics Specialist Conference, Monterey, CA., AIAA 2002-4425, August 2002