David G. Hammel. An economical electronic point-of-sale updating system. In David F. Weinberg, William P. Mancina, editors, Proceedings of the 21st national conference, ACM 1966, USA, 1966. pages 183-189, ACM, 1966. [doi]
@inproceedings{Hammel66-0,
title = {An economical electronic point-of-sale updating system},
author = {David G. Hammel},
year = {1966},
doi = {10.1145/800256.810695},
url = {https://doi.org/10.1145/800256.810695},
researchr = {https://researchr.org/publication/Hammel66-0},
cites = {0},
citedby = {0},
pages = {183-189},
booktitle = {Proceedings of the 21st national conference, ACM 1966, USA, 1966},
editor = {David F. Weinberg and William P. Mancina},
publisher = {ACM},
isbn = {978-1-4503-7915-1},
}