Robichaud, Louis P. A. Signal flow graphs and applications / Louis P. A. Robichaud, Maurice Boisvert and Jean Robert. - London : Prentice-Hall, c 1962. - xiv, 214 p. : ill. ; 22 cm. - Prentice-Hall electrical engineering series ; . Includes index. 337 337 Subjects--Topical Terms: Electric networks.Systems engineering. Dewey Class. No.: 621.3 / R55s