Exhibit: OCR Bar Codes 1983 – 1987 / Half a Decade of Human and Machine Errors August 4, 2015 By Roger Brody [featured_image] Download Download is available until [expire_date] Version Download 73 File Size 6.63 MB File Count 1 Create Date August 4, 2015 Last Updated August 1, 2024 Exhibit: OCR Bar Codes 1983 - 1987 / Half a Decade of Human and Machine Errors by Douglas Quine