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Astron. Astrophys. 357, 1123-1132 (2000) AcknowledgementsWe thank Fulvio Melia (Tucson), Richard Auer and Achim Traut (Heidelberg), and the referees Jean-Paul Zahn and Jean-Marc Huré for helpful comments on the manuscript. WJD acknowledges partial support by the Deutsche Forschungsgemeinschaft DFG through SFBs 328 (Evolution of Galaxies) and 439 (Galaxies in the Young Universe). ![]() ![]() ![]() ![]() © European Southern Observatory (ESO) 2000 Online publication: June 5, 2000 ![]() |