@incollection{Nie2010,
author = {R. Niewiadomski and M. Mancini and S. Hyniewska and C. Pelachaud,},
title = {Communicating emotional states with the Greta agent},
booktitle = {A Blueprint for Affective Computing},
publisher = {Oxford University Press},
editor = {K.R. Scherer, T. Banziger and E. Roesch},
year = {2010},
isbn = {9780199566709},
}