Cienki, A. Insights on the Nature of Language from the Study of Gesture Units. In Categories and Units in Language and Linguistics; Badio, J., Ed.; , Series Ed.; Lodz Studies in English and General Linguistics; Lodz University Press: Poland, 2020; Vol. 10, pp. 33-42. https://doi.org/10.18778/8142-988-7.04.