Schwartz, Mischa. Communication systems and techniques [by] Mischa Schwartz, William R. Bennett [and] Seymour Stein. - New York, McGraw-Hill, 1966. - xiii, 618 p. illus. 23 cm. - Inter-university electronics series, v. 4 . LCCN: 65028510 Subjects--Topical Terms: TELECOMUNICACIONES Dewey Class. No.: 621.3811