Ekman, Paul What the face reveals: Basic and applied studies of spontaneous expression using the Facial Action Coding System (FACS) - New York Cambridge University Press 1997 - xvi, 495 p. 25 cm. 000553 CH 553 ISBN: 0195104471 Subjects--Topical Terms: Facial expressionBody language Dewey Class. No.: 153.69 / W555