@misc{80746,
  author = {Patrick Grother},
  title = {Cross Validation Comparison of NIST OCR Databases},
  year = {1993},
  month = {1993-01-01},
  publisher = {NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=900675},
  language = {en},
}