Open Access
@article{163656,
  author       = {Schumann},
  title        = {{G. S. Fullerton and J. McKeen Cattell: On the 
                   Perception of small Differences. Philadelphia 1892}},
  journal      = {{Zeitschrift für Psychologie und Physiologie der 
                   Sinnesorgane}},
  year         = 1894,
  volume       = 6,
  pages        = {475-478},
  language     = {de},
  url          = {https://vlp-new.ur.de/records/lit15495}
}
