"Acoustic-prosodic entrainment and social behavior" (2012) Levitan, R.;Gravano, A.;Willson, L. (
...)Appen ButlerHill; at and t; et al.; Google; Microsoft Research; Nuance 2012 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, NAACL HLT 2012:11-19