Baran, Stanley J., and Davis, Dennis K., Mass communication theory : foundations, ferment, and future / Stanley J. Baran, and Denis K. Davis - Second edition. - Canada : Wadsworth, thomson learning 2000 - vii, 400 pages : tables ; 23 cm. Includes bibliographical references and index. Subjects--Topical Terms: Mass media. Dewey Class. No.: 302.23 / B23