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Astron. Astrophys. 333, 1007-1015 (1998) AcknowledgementsPart of the calculations reported in this paper were supported by the "Institut du Développement et des Ressources en Informatique Scientifique" (IDRIS) which is gratefully acknowledged. E.H. acknowledges the support of the National Science Foundation for his research program in astrochemistry. He also thanks sthe Ohio Supercomputer Center for time on their Cray YMP-8 machine.
© European Southern Observatory (ESO) 1998 Online publication: April 28, 1998 ![]() |