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Unified State Model theory and application in Astrodynamics V. VittaldevE. MooijM. C. Naeije Original Article Open access 03 February 2012 Pages: 253 - 282
Bodily tides near spin–orbit resonances Michael Efroimsky Original Article 02 March 2012 Pages: 283 - 330
High-order expansion of the solution of preliminary orbit determination problem Roberto ArmellinPierluigi Di LiziaMichele Lavagna Original Article 14 February 2012 Pages: 331 - 352