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Astron. Astrophys. 358, 1058-1068 (2000) AcknowledgementsThis project was partially supported by the British-Polish Joint Research Collaboration Programme. K.Gesicki acknowledges partial support from Polish KBN grant No. 2.P03D.002.13. We thank Agnes Acker for providing the [NII] data in Fig. 2. Jeremy Walsh was involved in the observations; he is also thanked for careful reading of the manuscript. ![]() ![]() ![]() ![]() © European Southern Observatory (ESO) 2000 Online publication: June 20, 2000 ![]() |