@book{118473,
	author = {Carr-Saunders, A. M.},
	title = {The population problem},
	publisher = {Project Gutenberg,},
	year = {2026},
	address = {Salt Lake City, UT :},
	note = {Release date is 2026-01-23},
	url = {https://archive.org/details/populationproble00carr/page/n5/mode/2up}
}