Allan J. Humphery, Shelby L. Brumelle. An algorithm for retrieving indexed documents and its application. Communications of the ACM, 9(7):483, 1966. [doi]
@article{HumpheryB66,
title = {An algorithm for retrieving indexed documents and its application},
author = {Allan J. Humphery and Shelby L. Brumelle},
year = {1966},
doi = {10.1145/365719.366481},
url = {https://doi.org/10.1145/365719.366481},
researchr = {https://researchr.org/publication/HumpheryB66},
cites = {0},
citedby = {0},
journal = {Communications of the ACM},
volume = {9},
number = {7},
pages = {483},
}