@book{206218,
	author = {Irwin, William,},
	title = {Black Sabbath and philosophy : mastering reality /},
	publisher = {Wiley,},
	year = {©2012.},
	series = {The Blackwell philosophy and pop culture series},
	address = {Chichester, West Sussex ;},
	url = {http://onlinelibrary.wiley.com/book/10.1002/9781118523087}
}