@book{23530,
	author = {Aitchison, Ian J.R.||Hey, Anthony J.G.},
	title = {Gauge Theories in Particle Physics: A Practical Introduction, Fourth Edition - 2 Volume set},
	url = {https://library.oapen.org/bitstream/20.500.12657/50883/1/9781466591127.pdf||https://library.oapen.org/bitstream/20.500.12657/50883/1/9781466591127.pdf}
}