9BADJOU S,POWERS G D,TANAS M R.Ultrasonic measurement of postural stability and control[C/OL]//Computer-based medical systems:proceedings of the 1997-10th IEEE Symposium on Computer-Based Medical Systems,Maribor,Slovenia,June 11-13,1997.Maribor:IEEE,1997[2006-04-26].http://www.engineeringvillage2,org.cn/controller/servlet/Controller.
10BARIN K.Human postural sway responses to translational movements of the support surface[C/ OL] // Medicine and biology:proceedings of the Ninth Annual Conference of the IEEE Engineering in Medicine and Biology Conference,Boston,MA,USA,1987.Boston:IEEE,1987[2006-04-26].http://www.engineeringvillage2.org.cn/controller/servlet/Controller.
