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Astron. Astrophys. 317, 36-42 (1997)
Acknowledgements
We thank Martin England and Stephen Gottesman for generously providing us with their H I data of NGC 1300, Maria Santos-Lleó for reducing the optical spectra and Per Olof Lindblad, Aage Sandqvist, Maja Hjelm and Adrick Broeils for helpful discussions.
© European Southern Observatory (ESO) 1997