@article{Engelhardt2007,
  author    = {Johann Daniel Engelhardt},
  title     = {Die Herstellung des Octogons und der Cascaden zu Wilhelmsh{\"o}he bei Cassel},
  journal   = {Journal f{\"u}r die Baukunst},
  volume    = {1845},
  number    = {2},
  pages     = {174 -- 186},
  year      = {2007},
}