@book{27246,
	author = {Dorf, Richard C. and Bishop, Robert H.,},
	title = {Modern control systems /},
	publisher = {Pearson/Prentice Hall,},
	year = {2008.},
	address = {Upper Saddle River, NJ :},
	edition = {11th ed.},
	note = {Includes bibliographical references (p. 993-1006) and index.}
}