@book{13762,
	author = {Pundir, Sudhir K.  and Pundir, Rimple },
	title = {Pragati's theory of automata and formal languages / },
	publisher = {Pragati Prakashan},
	year = {2008},
	series = { },
	address = {Meerut},
	edition = {4th rev. ed. },
	note = {Includes glossary & bibliographical references }
}