Astron. Astrophys. 363, L37-L39 (2000)

Acknowledgements

We are grateful to Drs. K. M. Menten, P. Schilke and F. Wyrowski for helpful comments on the manuscript. Moreover, we would like to thank Drs. A. G. Maki and G. Ch. Mellau for providing us with their newly obtained data prior to publication. The present study was supported by the Deutsche Forschungsgemeinschaft (DFG) via Grant SFB 494 and by special funding from the Ministry of Science and Technology of the Land Nordrhein-Westfalen.

© European Southern Observatory (ESO) 2000

Online publication: December 5, 2000
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