TY - BOOK ID - 139998194 TI - Emotion in the human face : guide-lines for research and an integration of findings AU - Ekman, Paul AU - Friesen, Wallace V. AU - Ellsworth, Phoebe PY - 1972 PB - New York Pergamon Press DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:139998194 AB - ER -