@incollection{Sumiya07,
author = {Hideyasu Sumiya},
title = {Distance Feedback Travel Aid Haptic Display Design},
booktitle = {Mobile Robots},
publisher = {IntechOpen},
address = {Rijeka},
year = {2007},
editor = {Sascha Kolski},
chapter = {18},
doi = {10.5772/4782},
url = {https://doi.org/10.5772/4782}
}