@book{1472939,
	author = {Paul Hegarty and Martin Halliwell},
	title = {Beyond and Before, Updated and Expanded Edition Progressive Rock Across Time and Genre},
	publisher = {Bloomsbury},
	year = {2021},
	url = {https://doi.org/10.5040/9781501370847?locatt=label:secondary_bloomsburyCollections}
}