@book{74758,
	author = {Vogel, Robert M.},
	title = {The Engineering Contributions of Wendel Bollman},
	publisher = {Project Gutenberg,},
	year = {2010},
	address = {Salt Lake City, UT :},
	note = {Release date is 2010-10-20},
	url = {https://www.gutenberg.org/ebooks/33912}
}