@book{118177,
	author = {Firth, Violet M. and Tansley, A. G., Sir},
	title = {The machinery of the mind},
	publisher = {Project Gutenberg,},
	year = {2025},
	address = {Salt Lake City, UT :},
	note = {Release date is 2025-12-14},
	url = {https://archive.org/details/machineryofmind00firt/page/n5/mode/2up}
}