@book{14052,
	author = {Peskin, Michael Edward, and Schroeder, Daniel V.},
	title = {An introduction to quantum field theory /},
	publisher = {Addison-Wesley Pub. Co.,},
	address = {Reading, Mass. :},
	url = {http://www.loc.gov/catdir/enhancements/fy0831/89027170-b.html}
}