@book{13963,
	author = {Singh, Arindama.},
	title = {Elements of computation theory /},
	publisher = {Springer,},
	year = {c2009.},
	series = {Texts in computer science},
	address = {Dordrecht ;},
	url = {http://www.columbia.edu/cgi-bin/cul/resolve?clio7817481}
}