Aho, Alfred V. Currents in the theory of computing / edited by Alfred V. Aho; contributing authors: Ronald V. Book and others - Englewood Cliffs, N.J. Prentice-Hall 1973 - x, 245 p. : ill. ; 24 cm. Bibliography: p. 219-237. ISBN: 0131956515 LCCN: 72-012477 Subjects--Topical Terms: Sequential machine theoryFormal languages