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Astron. Astrophys. 327, 1206-1214 (1997) AcknowledgementsThis work was supported by the Deutsche Forschungsgemeinschaft through the Schwerpunkt Programm 'Physics of Star Formation' (grant Zi-242/10-1). ![]() ![]() ![]() ![]() © European Southern Observatory (ESO) 1997 Online publication: April 6, 1998 ![]() |