@InProceedings{Hueber11mapping, % OK
author = {T. Hueber and E.L. Benaroya and B. Denby and G. Chollet},
title = {Statistical Mapping between Articulatory and Acoustic Data for an Ultrasound-based Silent Speech Interface},
  booktitle = {Interspeech},
  month = August,
address = {Firenze, Italia},
  pages={593--596},
year = 2011
}