@book{54997,
	author = {Macfarlane, Alexander,},
	title = {Vector Analysis and Quaternions},
	publisher = {Project Gutenberg,},
	year = {2004},
	address = {Salt Lake City, UT :},
	note = {Release date is 2004-10-05},
	url = {https://www.gutenberg.org/ebooks/13609}
}