Open Access
@article{118427,
author = {Angell, Frank},
title = {{Discrimination of Shades of Gray for Different
Intervals of Time}},
journal = {Philosophische Studien},
year = 1902,
volume = 19,
pages = {1-21},
language = {en},
url = {https://vlp-new.ur.de/records/lit4564}
}
