Robert Farquhar (1966). "Station-Keeping in the Vicinity of Collinear Libration Points with an Application to a Lunar Communications Problem". AAS Science and Technology Series: Space Flight Mechanics Specialist Symposium. 11: 519-535., see Farquhar, R.W.: "The Control and Use of Libration-Point Satellites" 10 Haziran 2024 tarihinde Wayback Machine sitesinde arşivlendi., Ph.D. Dissertation, Dept. of Aeronautics and Astronautics, Stanford University, Stanford, California, 1968, pp. 103, 107–108.
Andreu, M.A. (1998). The Quasi-bicircular problem. Ph. D. Thesis, Dept. Matemática Aplicada i Anàlisi, Universitat de Barcelona. Publicacions Universitat de Barcelona. ISBN84-475-2319-5. 24 Haziran 2022 tarihinde kaynağından arşivlendi. Erişim tarihi: 18 Temmuz 2024.
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Robert Farquhar (1966). "Station-Keeping in the Vicinity of Collinear Libration Points with an Application to a Lunar Communications Problem". AAS Science and Technology Series: Space Flight Mechanics Specialist Symposium. 11: 519-535., see Farquhar, R.W.: "The Control and Use of Libration-Point Satellites" 10 Haziran 2024 tarihinde Wayback Machine sitesinde arşivlendi., Ph.D. Dissertation, Dept. of Aeronautics and Astronautics, Stanford University, Stanford, California, 1968, pp. 103, 107–108.
Andreu, M.A. (1998). The Quasi-bicircular problem. Ph. D. Thesis, Dept. Matemática Aplicada i Anàlisi, Universitat de Barcelona. Publicacions Universitat de Barcelona. ISBN84-475-2319-5. 24 Haziran 2022 tarihinde kaynağından arşivlendi. Erişim tarihi: 18 Temmuz 2024.