@book{97920,
	author = {Allen, C. F. H.},
	title = {Meta toluene sulphonic acid and related compounds},
	publisher = {Project Gutenberg,},
	year = {2018},
	address = {Salt Lake City, UT :},
	note = {Release date is 2018-05-05},
	url = {https://www.gutenberg.org/ebooks/57089}
}