@misc{1187601,
  author = {M Leighton Greenough and Robert M McCabe},
  title = {Preparation of reference data sets for character recognition research:},
  year = {1975},
  month = {1975-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.IR.75-746},
  language = {en},
}