Dissertation von Petra Hauke 2007, erst jetzt online: https://doi.org/10.18452/26128
Via
https://bibtext.blogspot.com/2023/03/
By <a href=”//commons.wikimedia.org/wiki/User:Ricardalovesmonuments” title=”User:Ricardalovesmonuments”>Ricardalovesmonuments</a> – <span class=”int-own-work” lang=”en”>Own work</span>, CC BY-SA 4.0, Link