BibTex format
@inproceedings{Spence:2020:10.1145/3399715.3399719,
author = {Spence, R and Redmond, L},
doi = {10.1145/3399715.3399719},
publisher = {ASSOC COMPUTING MACHINERY},
title = {Circles of Affordance Proposal for a diagnostic tool to support usability studies},
url = {http://dx.doi.org/10.1145/3399715.3399719},
year = {2020}
}