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Article Contents
1 Introduction
2 CO observations and global properties of the emission
3 Kinematic modeling
4 Mass inflow
5 Discussion
6 Conclusion
Online Material
Appendix A: Detailed description of the modeling
Appendix B: Resonance radii and pattern speed in a logarithmic potential
Appendix C: Mass inflow in a logarithmic potential with a bar perturbation

List of tables
List of figures

Copyright ESO 2007
Published by EDP Sciences