Open Access
@article{121026,
  author       = {Lehmann, Alfred},
  title        = {Ueber die Helligkeitsvariationen der Farben},
  journal      = {Philosophische Studien},
  year         = 1902,
  volume       = 20,
  pages        = {72-115},
  language     = {de},
  url          = {https://vlp-new.ur.de/records/lit4479}
}
