Viberg, Åke. 1984. The verbs of perception: a typological study. In Butterworth, Brian and Comrie, Bernard and Dahl, Östen (eds.), Explanations for Language Universals, 123-162. Berlin: Mouton de Gruyter.
@incollection{jacquesestimative-viberg84perception,
address = {Berlin},
author = {Viberg, Åke},
booktitle = {Explanations for Language Universals},
editor = {Butterworth, Brian and Comrie, Bernard and Dahl, Östen},
pages = {123-162},
publisher = {Mouton de Gruyter},
title = {The verbs of perception: a typological study},
year = {1984}
}