@book{53163,
	author = {Lahiri, Amitabha and Pal, P. B.},
	title = {A first book of quantum field theory /},
	publisher = {Alpha Science International,},
	year = {2007},
	address = {Oxford :},
	edition = {2nd ed. [2nd reprint 2007]},
	note = {Includes index}
}