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Astron. Astrophys. 342, 756-762 (1999) AcknowledgementsWe would like to express our gratitude to Drs. F. Musaev and G.
Galazutdinov for spectroscopic observations of
![]() ![]() ![]() ![]() © European Southern Observatory (ESO) 1999 Online publication: February 23, 1999 ![]() |