Studies in self-cognition :  techniques of videotape self-observation in the behavioral sciences / 
(ed. by Robert H. Geertsma and James B. Mackie). 
 - Baltimore :  Williams & Wilkins,  1969. 
<br/><br/> Reprinted from The Journal of Nervous and Mental Disease, v. 148, nos. 3 & 4, March & April, 1969. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cognition.<br/>Introspection.