@booklet {2089,
	title = {The Time-Hoppers},
	year = {1967},
	month = {1967},
	publisher = {Doubleday},
	address = {Garden City, NY},
	abstract = {<p>Overpopulation dystopia.</p>},
	keywords = {Male author, US author},
	author = {Robert Silverberg (b. 1935)}
}
