@book{Werling2002,
  author    = {Werling, Michael},
  title     = {Die historischen Grabsteine an der "Taufkirche" in Bergisch Gladbach / Refrath},
  institution = {Fakult{\"a}t 05 / Institut f{\"u}r Baugeschichte und Denkmalpflege},
  pages     = {203},
  year      = {2002},
  subject      = {Taufkirche Sankt Johann Baptist <Refrath, Bensberg>},
  language  = {de}
}