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XMM-Newton and ESO observations of the two Unidentified γ-ray Sources 3EG J0616 3310 and 3EG J1249 8330 ⋆

G. Bignami, M. Schirmer, R. Mignani, 2006, astro-ph/0607251.

Extrasolar planet detection by binary stellar eclipse timing : evidence for a third body around CM Draconis

Caltech, D. Charbonneau, H. Deeg, 2008, 0801.2186.