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Astron. Astrophys. 332, 703-713 (1998) AcknowledgementsThis work is partially in preparation of the ODIN mission and the support by the Swedish National Space Board is acknowledged. We wish to thank B. Gustafsson, H. Olofsson, G. Olofsson and R. Svensson for stimulating discussions and the anonymous referee for valuable comments.
© European Southern Observatory (ESO) 1998 Online publication: March 23, 1998 ![]() |