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Astron. Astrophys. 339, 409-422 (1998) AcknowledgementsWe would like to thank M. Milgrom and the referee, C. Carignan, for insightful comments. This research was partially funded by ASI Grant 95-RS-120. ![]() ![]() ![]() ![]() © European Southern Observatory (ESO) 1998 Online publication: October 21, 1998 ![]() |