@article{OtteRaetzelSipmanetal.2000, author = {Otte, Volker and R{\"a}tzel, Stefan and Sipman, Harri J. M. and Kummer, Volker}, title = {Bemerkenswerte Flechtenfunde aus Brandenburg V}, year = {2000}, language = {de} } @article{RaetzelKummerOtteetal.2002, author = {R{\"a}tzel, Stefan and Kummer, Volker and Otte, Volker and Sipman, Harri J. M}, title = {Bemerkenswerte Flechtenfunde aus Brandenburg VII}, year = {2002}, language = {de} }