@book{2187,
	author = {Coughlin, Robert F.  and Frederick F. Driscoll},
	title = {Operational Amplifiers and Linear Integrated Circuits   /},
	publisher = {Pearson,},
	year = {c2011-2012.},
	address = {New Delhi:},
	edition = {6th ed.},
	note = {Includes index.}
}