Open Access
@article{118076,
  author       = {Schaefer, Karl L.},
  title        = {Die Bestimmung der unteren Hörgrenze},
  journal      = {Beiträge zur Akustik und Musikwissenschaft},
  year         = 1901,
  volume       = 3,
  pages        = {52-64},
  language     = {de},
  url          = {https://vlp-new.ur.de/records/lit38484}
}
