@book{21539,
	author = {Aitchison, Ian J R||Hey, Anthony J.G.},
	title = {Gauge Theories in Particle Physics: A Practical Introduction, Volume 2: Non-Abelian Gauge Theories},
	url = {https://library.oapen.org/bitstream/20.500.12657/50884/1/9781466513105.pdf||https://library.oapen.org/bitstream/20.500.12657/50884/1/9781466513105.pdf||https://library.oapen.org/bitstream/20.500.12657/50884/10/9781466513105_scoap3.pdf}
}