@incollection{Hirata07, author = {Yasuhisa Hirata and Asami Muraki and and Kazuhiro Kosuge}, title = {Passive-type Intelligent Walker Controlled Based on Caster-like Dynamics}, booktitle = {Rehabilitation Robotics}, publisher = {IntechOpen}, address = {Rijeka}, year = {2007}, editor = {Sashi S Kommu}, chapter = {11}, doi = {10.5772/5161}, url = {https://doi.org/10.5772/5161} }