OKAMOTO, Tsutomu - OKAMOTO, Kayoko. Development of gait by electromyography [elektronický zdroj]. Osaka, Japan : Walking Development Group, c2007. 1 online zdroj (vi, 135 s.). Available on Internet: <http://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&db=nlabk&AN=259782> ISBN 9784902473070.