@book{ Solr-1602005087, title = {Burgenfahrt zum Niederrhein}, editor = {Krämer, Karl Emerich}, editor = {Umscheid, Eva}, address = {Wuppertal}, publisher = {Schwarze}, year = {1978}, url = {https://swbplus.bsz-bw.de/bsz101524897inh.htm} }