@incollection{Ohka07,
author = {M. Ohka},
title = {Optical Three-Axis Tactile Sensor},
booktitle = {Mobile Robots},
publisher = {IntechOpen},
address = {Rijeka},
year = {2007},
editor = {Sascha Kolski},
chapter = {6},
doi = {10.5772/4770},
url = {https://doi.org/10.5772/4770}
}