...1993

Based on observations with the International Ultraviolet Explorer (IUE) retrieved from the VILSPA data-bank.

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...HREF="/articles/aas/full/1997/12/ds1295/footnode.html#194">^,

Tables 1 to 3 are only available in electronic form at the CDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) or via http://cdsweb.u-strasbg.fr/Abstract.html

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