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by Friedrich, Gerhard; Kittel, Gerhard
by Kittel, Gerhard; Friedrich, Gerhard
by Gerhard Friedrich
by Strube, Gerhard; Wender, Karl Friedrich
by BLECKER, THORSTEN; Friedrich, Gerhard; Kaluza, Bernd; et al.
by Blecker, Thorsten; Friedrich, Gerhard
by Bente, Gerhard Friedrich
by Editor: Friedrich Marks (DKFZ Heidelberg, Germany); Editor: Gerhard Furstenberger (DKFZ, Heidelberg, Germany)
by Bielikova, Maria; Friedrich, Gerhard; Gottlob, Georg; et al.