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Author comment for 2002PhDT..........T:

Electronic copies of this thesis may be obtained from the author's home instition at the URL http://www-brs.ub.ruhr-uni-bochum.de/netahtml/HSS/Diss/TuellmannRalph


Author comment submitted on 25 April, 2003 by Ralph Tuellmann (tullmann@astro.rub.de)