@article {ettouney2011composition,
	title = {Composition dynamics in perforated plate liquid extraction columns},
	journal = {Chemical Engineering Research and Design},
	volume = {89},
	number = {11},
	year = {2011},
	note = {n/a},
	pages = {2228{\textendash}2235},
	publisher = {Elsevier},
	abstract = {n/a},
	author = {R.S. Ettouney and M.A. El-Rifai}
}
