@BOOK{j.c.castillo2016ambientintelligence-software,
CHAPTER = {Vowel Recognition from RGB-D Facial Information},
TITLE = {Ambient Intelligence- Software and Applications},
PUBLISHER = {Springer International Publishing},
ISBN = {978-3-319-40113-3},
CITY = {},
PAGES = {225 - 232},
YEAR = {2016},
AUTHOR = {J.C. Castillo, I. P. Encinar, Alfonso Conti-Morera, A. Castro-Gonzalez, M.A. Salichs}
}