sorry for wasting your time, I have found that my problem comes from our
damaged local root installation. It will be solved soon.
Bye,
_
|om
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Thomas Feser office:
AMaNDA (ETAP) Institut fuer Physik
Raum 04-426
Staudingerweg 7
D-55099 Universitaet Mainz
tfeser@iphcip1.physik.uni-mainz.de
http://iphcip1.physik.uni-mainz.de/~tfeser (06131)39-5165