@booklet {1489,
	title = {"Threshold"},
	howpublished = {Startling Stories },
	volume = {29.3 },
	year = {1953},
	month = {April 1953},
	pages = {67-77},
	abstract = {<p>Machine dystopia.</p>},
	keywords = {Male author},
	author = {Robert Donald Locke}
}
