@book{117195,
	author = {Smart, William,},
	title = {An introduction to the theory of value},
	publisher = {Project Gutenberg,},
	year = {2025},
	address = {Salt Lake City, UT :},
	note = {Release date is 2025-07-09},
	url = {https://archive.org/details/introductiontoth00smar/page/n9/mode/2up}
}