@incollection{Akiba10,
author = {Hidehiko Okada and Takayuki Akiba},
title = {Fitts’ Law Index of Difficulty Evaluated and Extended for Screen Size Variations},
booktitle = {User Interfaces},
publisher = {IntechOpen},
address = {Rijeka},
year = {2010},
editor = {Rita Matrai},
chapter = {14},
doi = {10.5772/9496},
url = {https://doi.org/10.5772/9496}
}