Paper  bibtex   

@book{cage_silence:_1961,
	address = {Middletown, Conn.},
	title = {Silence: {Lectures} and {Writings}},
	shorttitle = {Silence},
	url = {http://archive.org/details/silencelecturesw1961cage},
	language = {eng},
	urldate = {2016-02-04TZ},
	publisher = {Wesleyan University Press},
	author = {Cage, John},
	year = {1961},
	note = {01489}
}