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This article has an erratum: [erratum]

Issue
Astron. Astrophys. Suppl. Ser.
Volume 142, Number 3, March II 2000
Page(s) 499 - 509
DOI https://doi.org/10.1051/aas:2000308
Published online 15 March 2000

© European Southern Observatory (ESO), 2000

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