Lohrke, Franz T. <br/><br/>
Motion study for the blinded: a review of the Gilpreths work with the visually handicapped 

<br/><br/><label>Subjects--Topical Terms: </label><br/> Motion Study<br/> Glibreth, Frnak B. Handicapped<br/> Disabled<br/>Blind _ U.S.A.