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Astron. Astrophys. 346, L57-L60 (1999) AcknowledgementsBVDB acknowledges financial support from the Belgian Federal Services for Scientific, Technological and Cultural Affairs and from the Onderzoeksfonds K.U.Leuven, grant OT/94/10. This work was supported by the Netherlands Organization for Scientific Research (NWO) ![]() ![]() ![]() ![]() © European Southern Observatory (ESO) 1999 Online publication: June 17, 1999 ![]() |