@book{Pozdniakov2018,
author = {Pozdniakov, Konstantin},
year = {2018},
isbn = {978-3-96110-099-6 (Hardcover)},
language = {eng},
copyright = {https://creativecommons.org/licenses/by/4.0/},
title = {The numeral system of Proto-Niger-Congo},
url = "http://dx.doi.org/10.17169/refubium-596",
}