@book{139880,
	author = {Sivazlian, B. D. and Stanfel, L. E.,},
	title = {Analysis of systems in operations research},
	publisher = {Prentice-Hall},
	year = {[1974, c1975]},
	series = {Prentice-Hall international series in industrial and systems engineering},
	address = {Englewood Cliffs, N.J.,}
}