@book{28127,
	author = {Tchobanoglous, George},
	title = {wastewater engineering},
	publisher = {McGraw Hill},
	year = {2014},
	address = {London},
	edition = {5th},
	url = {https://libgen.is/book/index.php?md5=C3E4AE5FDC0BC8E729BAE91DD57C7C30}
}