@article {el1977composition,
	title = {Composition dynamics and control in counter flow extractive reactors},
	journal = {Proceedings of the Cairo International IFAC Conference on Systems Approach for Development, Pergamon Press},
	year = {1977},
	note = {n/a},
	pages = {315{\textendash}320},
	abstract = {n/a},
	author = {M.A. El-Rifai and Elnashaie, SSEH and El-Hakim, MN Abd}
}
