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2/1 resonant periodic orbits in three dimensional planetary systems K. I. AntoniadouG. Voyatzis Original Article 20 January 2013 Pages: 161 - 184
A note on the dynamics around the Lagrange collinear points of the Earth–Moon system in a complete Solar System model Yijun LianGerard GómezGuojian Tang Original Article 20 January 2013 Pages: 185 - 211
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