@inproceedings{pedagogicalstancesandtheirmultimodal,
  title = {Pedagogical stances and their multimodal signals.},
  author = {Isabella Poggi and Francesca D{'}Errico and Giovanna Leone},
  year = {2012},
  booktitle = {LREC 2012 5},
  url = {https://aclanthology.org/L12-1599},
}