@book{8487,
	author = {Pozdniakov, Konstantin},
	title = {The numeral system of Proto-Niger-Congo},
	url = {https://library.oapen.org/bitstream/20.500.12657/28278/1/1001684.pdf||https://library.oapen.org/bitstream/20.500.12657/28278/1/1001684.pdf||https://library.oapen.org/bitstream/20.500.12657/28278/1/1001684.pdf}
}