@book{102288,
	author = {American Public Health Association. Laboratory Section and American Chemical Society},
	title = {Standard methods for the examination of water and sewage},
	publisher = {Project Gutenberg,},
	year = {2020},
	address = {Salt Lake City, UT :},
	note = {Wikipedia page about this book: https://en.wikipedia.org/wiki/MBAS_assay},
	url = {https://www.gutenberg.org/ebooks/61462}
}