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@article{163912,
  author       = {Ufer},
  title        = {{A. R. Hornbrook: The pedagogical value of number 
                   forms. Educational Review, Holt, New York, Vol. V,
                   No. 5, S. 467-480, 1893}},
  journal      = {{Zeitschrift für Psychologie und Physiologie der 
                   Sinnesorgane}},
  year         = 1894,
  volume       = 6,
  pages        = {397-399},
  language     = {de},
  url          = {https://vlp-new.ur.de/records/lit15481}
}