Tench, Paul. 2007. Illustrations of the IPA: Tera. Journal of the International Phonetic Association 37. 227–234. Cambridge University Press.
@article{ttr_tench2007,
author = {Tench, Paul},
journal = {Journal of the International Phonetic Association},
number = {2},
pages = {227–234},
publisher = {Cambridge University Press},
title = {Illustrations of the IPA: Tera},
volume = {37},
year = {2007}
}