@book{27095,
	author = {Blanchard, Benjamin S. and Fabrycky, W. J. ((Wolter J.)) 1932-},
	title = {Systems engineering and analysis /},
	publisher = { Prentice Hall,},
	year = { 1998},
	address = {Upper Saddle River, NJ:},
	edition = {3rd ed.}
}