@article{Seidel2008,
  author    = {Christoph Matthaeus Seidel},
  title     = {Observatio Luminis Borealis anni 1707. Schonbergae in Vetere Marchia instituta},
  url       = {http://edoc.bbaw.de/oa/series/reDLQH34sTjRA/PDF/29KmDkIJM96YM.pdf},
  year      = {2008},
}