Astron. Astrophys. 326, 59-68 (1997)

Acknowledgements

R.M. was supported by a Heisenberg fellowship by the Deutsche Forschungsgemeinschaft. We thank K. Menten and C.M. Walmsley for help with the interpretation of the methanol data, S. Aalto-Bergman, P. Jewell, J. Mangum, and S. Radford for useful discussions, and the referee, L.-Å. Nyman, for helpful comments.

© European Southern Observatory (ESO) 1997

Online publication: April 20, 1998
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