Walton A. Perkins, Avis Austin. Adding Temporal Reasoning to Expert-System-Building Environments. IEEE Intelligent Systems, 5(1):23-30, 1990. [doi]
@article{PerkinsA90,
title = {Adding Temporal Reasoning to Expert-System-Building Environments},
author = {Walton A. Perkins and Avis Austin},
year = {1990},
url = {http://csdl.computer.org/comp/mags/ex/1990/01/x1023abs.htm},
tags = {Meta-Environment},
researchr = {https://researchr.org/publication/PerkinsA90},
cites = {0},
citedby = {0},
journal = {IEEE Intelligent Systems},
volume = {5},
number = {1},
pages = {23-30},
}