Astron. Astrophys. 356, 23-32 (2000)

Acknowledgements

We are grateful for the referee's comments which raised many interesting issues we had overlooked. We thank Richard Hunstead and Joanne Baker for taking part in the observations. One of the authors (LB) acknowledges financial support from CONACyT grant 27546-E.

© European Southern Observatory (ESO) 2000

Online publication: March 28, 2000
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