Links

• IUP, http://www.iup.uni-bremen.de/deu/
• Cooperating groups:
• The CNRS, (Orsay, France). http://www.ccr.jussieu.fr/lab/p6/ufr925/lab16/d.html
• The CNRS, (Orsay, France). http://www.ppm.u-psud.fr/
• The Atmospheric Spectroscopy Group at the (Cambridge, Massachusetts, USA). http://www.cfa.harvard.edu/
• The of the (Abbingdon, Oxfordshire, UK)

We thank the German Space Agency (DARA), the European Space Agency (ESA), the Land of Bremen, and the Commission of the European Communities (CEC) for financial support.