The COMPTEL project is supported by the German government through DARA grant 50 QV 90968, by NASA under contract NAS5-26645, and by the Netherlands Organisation for Scientific Research (NWO). Ch.D. acknowledges a fruitful collaboration with Monique Signore and partial support from the French CNRS.
© European Southern Observatory (ESO) 1997
Online publication: May 26, 1998