@book{WerlingKaiserHempel2000, author = {Michael Werling and J{\"u}rgen Kaiser and Rainer Hempel}, title = {Otterberg und die Kunst der W{\"o}lbung}, url = {https://nbn-resolving.org/urn:nbn:de:hbz:832-epub4-9263}, pages = {181}, year = {2000}, language = {de} }