...region

Tables 2-5 are also available in electronic form at the CDS via anonymous ftp 130.79.128.5 or via http://cdsweb.u-strasbg.fr/Abstract.html

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...HREF="/articles/aas/full/1998/17/ds1403/footnode.html#171">^,

Figures 1 and 2 are only available in the electronic version of the paper (http://www.edpsciences.com).

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