@book{108730,
	author = {Gilbreth, Frank B. and Gilbreth, Lillian Moller,},
	title = {Fatigue study},
	publisher = {Project Gutenberg,},
	year = {2022},
	address = {Salt Lake City, UT :},
	note = {Release date is 2022-04-23},
	url = {https://archive.org/details/fatiguestudyelim00gilbrich}
}