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Article Contents
1 Introduction
2 Observations and data reduction
3 Spectral classification and stellar properties
4 Disk models
5 Discussion
6 Conclusions
Appendix A: $K_{\rm s}$ or K' finding charts
Appendix B: Accuracy in the determination of the photospheric parameters: AV, spectral type, and Teff
References

Copyright ESO 2002
Published by EDP Sciences