Dirk-Jan Povel, Nico Arends. The visual speech apparatus: Theoretical and practical aspects. Speech Communication, 10(1):59-80, 1991. [doi]
@article{PovelA91,
title = {The visual speech apparatus: Theoretical and practical aspects},
author = {Dirk-Jan Povel and Nico Arends},
year = {1991},
doi = {10.1016/0167-6393(91)90028-R},
url = {http://dx.doi.org/10.1016/0167-6393(91)90028-R},
researchr = {https://researchr.org/publication/PovelA91},
cites = {0},
citedby = {0},
journal = {Speech Communication},
volume = {10},
number = {1},
pages = {59-80},
}