@inbook{urn:nbn:de:hebis:34-2012011240293, author ={Baumgärtner, Ingrid}, title ={Heinrich II.}, keywords ={900 and Heinrich and Lemma}, copyright ={https://rightsstatements.org/page/InC/1.0/}, language ={de}, publisher ={Universität Kassel}, year ={2009} }