Media type: E-Article Title: Feedback facial expressions and emotions Contributor: Navarretta, Costanza Published: Springer Science and Business Media LLC, 2014 Published in: Journal on Multimodal User Interfaces, 8 (2014) 2, Seite 135-141 Language: English DOI: 10.1007/s12193-013-0145-9 ISSN: 1783-7677; 1783-8738 Keywords: Human-Computer Interaction ; Signal Processing Origination: Footnote: