@book{321019,
	author = {Gambini, Rodolfo, and Pullin, Jorge,},
	title = {Loops, knots, gauge theories and quantum gravity /},
	publisher = {Cambridge University Press,},
	year = {2022.},
	series = {Cambridge monographs on mathematical physics},
	address = {Cambridge :},
	note = {Reissued as Open Access in 2022. Originally published in 2001.},
	url = {https://doi.org/10.1017/9781009290203}
}