@book{6046,
	author = {Das, Ashok, and ebrary, Inc.},
	title = {Field theory},
	publisher = {World Scientific,},
	year = {c2006.},
	series = {World Scientific lecture notes in physics ;},
	address = {Singapore ;},
	edition = {2nd ed.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10698773}
}