(en) Craig E. Roberts «The SOHO Mission L1 Halo Orbit Recovery From the Attitude Control Anomalies of 1998» (10-14) (lire en ligne, consulté le ). — Libration Point Orbits and Applications Conference..
(en) Egemen Kolemen, N. Jeremy Kasdin, Pini Gurfil, «Multiple Poincaré sections method for finding the quasiperiodic orbits of the restricted three body problem», Celestial Mechanics and Dynamical Astronomy, vol.112, no1, , p.47-74 (ISSN0923-2958, lire en ligne, consulté le ).
(en) Egemen Kolemen, N. Jeremy Kasdin, Pini Gurfil, «Multiple Poincaré sections method for finding the quasiperiodic orbits of the restricted three body problem», Celestial Mechanics and Dynamical Astronomy, vol.112, no1, , p.47-74 (ISSN0923-2958, lire en ligne, consulté le ).
(en) D. F. Lester., K. V. Hodges M. L. Raftery «On-orbit control of lunar surface telerobots from Earth-Moon Lagrange points» () (lire en ligne, consulté le )..