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Astron. Astrophys. 319, 593-606 (1997) AcknowledgementsIt is a pleasure to thank A. Gilliotte from La Silla for helping to obtain these observations, and M. Bessel, F. Spite and F. Primas for valuable contributions along the course of this work
© European Southern Observatory (ESO) 1997 Online publication: July 3, 1998 ![]() |