Neurophysiological basis of normal and abnormal motor activities / 
Ed. by Melvin D. Yahr, Dominick P. Purpura. 
 - Hewlett, N.Y. :  Raven Press,  1967. 
 - xi, 500 p.  ill ;  25 cm. 
<br/><br/> "Proceedings of the Third Symposium of the Parkinson's Disease Information and Research Center of Columbia University, November 28th and 29th, 1966. Sponsored jointly by the National Institute of Neurological Diseases and Blindness ... and the Parkinson's Disease Foundation." 
<br/><br/>Includes bibliogr. references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Neurology--Congresses<br/>Human mechanics--Congresses<br/>Movement disorders--Congresses