@article {el1999integrated,
	title = {Integrated analysis of coupled separation operations},
	journal = {Chemical engineering science},
	volume = {54},
	number = {12},
	year = {1999},
	note = {n/a},
	pages = {1891{\textendash}1902},
	publisher = {Elsevier},
	abstract = {n/a},
	author = {M.A. El-Rifai and R.S. Ettouney}
}
