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                                                                                  Gerhard Klaus

                                                                                       Dr.rer.nat.

                                                                              Naturwissenschaftler

                                                                              Erwachsenenbildner

                                                                                       Therapeut

                                                                                          Dozent

                                                                                    Buechstrasse 2

                                                                                         8645 Jona

                                                                                   hyalos@active.ch