Charles Welty, David W. Stemple. Human Factors Comparison of a Procedural and a Nonprocedural Query Language. ACM Trans. Database Syst., 6(4):626-649, 1981. [doi]
@article{WeltyS81,
title = {Human Factors Comparison of a Procedural and a Nonprocedural Query Language},
author = {Charles Welty and David W. Stemple},
year = {1981},
doi = {10.1145/319628.319656},
url = {http://doi.acm.org/10.1145/319628.319656},
tags = {human factors, query language},
researchr = {https://researchr.org/publication/WeltyS81},
cites = {0},
citedby = {0},
journal = {ACM Trans. Database Syst.},
volume = {6},
number = {4},
pages = {626-649},
}