@book{6604,
	author = {Distefano ,Joseph J.; Stubberud ,Allen  R.; Williams ,Ivan J.},
	title = {Schaum's Outline of Theory And Problems of Feed Back And Control Systems},
	publisher = {McGraw-Hill},
	year = {,1987.},
	address = {New York:},
	edition = {NA},
	note = {Includes Index}
}