@incollection{beeson1987,
	address = {Providence, R.~I.},
	author = {Michael Beeson},
	booktitle = {Logic and Computation},
	date-added = {2014-11-14 21:43:00 +0000},
	date-modified = {2014-11-14 21:44:29 +0000},
	keywords = {Logic, Constructive mathematics},
	publisher = {American Mathematical Society},
	series = {Contemporary Mathematics},
	title = {Some theories conservative over intuitionistic arithmetic},
	volume = {106},
	year = {1987}}

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