Open Access
@article{155222,
  author       = {Heymans},
  title        = {{H. Judd: A Study of Geometrical Illusions. 
                   Psychological Review 6, 241-261. 1899}},
  journal      = {{Zeitschrift für Psychologie und Physiologie der 
                   Sinnesorgane}},
  year         = 1902,
  volume       = 27,
  pages        = 122,
  language     = {de},
  url          = {https://vlp-new.ur.de/records/lit31894}
}
