Andrew M. Smith. Optical mark reading - making it easy for users. In Jean C. Bonney, editor, Proceedings of the 9th annual ACM SIGUCCS conference on User services, Atlanta, Georgia, USA, October 11-14, 1981. pages 257-263, ACM, 1981. [doi]
@inproceedings{Smith81-5,
title = {Optical mark reading - making it easy for users},
author = {Andrew M. Smith},
year = {1981},
doi = {10.1145/800079.802600},
url = {http://doi.acm.org/10.1145/800079.802600},
researchr = {https://researchr.org/publication/Smith81-5},
cites = {0},
citedby = {0},
pages = {257-263},
booktitle = {Proceedings of the 9th annual ACM SIGUCCS conference on User services, Atlanta, Georgia, USA, October 11-14, 1981},
editor = {Jean C. Bonney},
publisher = {ACM},
isbn = {0-89791-054-0},
}