@book{4403,
	author = {Treybal, Robert Ewald},
	title = {Mass-transfer operations /},
	publisher = {McGraw-Hill Education,},
	year = {c1980 [reprinted 2012, 2019, 2020].},
	series = {McGraw-Hill chemical engineering series.},
	address = {New Delhi:},
	edition = {3rd ed.}
}