Col Reference --- --------- R1 Ortolani S., et al. 2002, Astron. Astrophys. 390, 931 R2 Piatti, A.E., Claria J.J. 2002, Astron. Astrophys. 388, 179 Back to the form
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R1 Ortolani S., et al. 2002, Astron. Astrophys. 390, 931
R2 Piatti, A.E., Claria J.J. 2002, Astron. Astrophys. 388, 179