@book{18177,
	author = {Burgess, Mark, and ebrary, Inc.},
	title = {Classical covariant fields},
	publisher = {Cambridge University Press,},
	year = {2002.},
	series = {Cambridge monographs on mathematical physics},
	address = {Cambridge, U.K. ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10005018}
}