Campbell, James H., Dimensions in communication, readings. [electronic resource] / Edited by James H. Campbell and Hal W. Hepler.. — Belmont, Calif., : Wadsworth Pub. Co., [1965]. — x, 230 p. : illus. 22 cm. Bibliography: p. 227-230. LCCN: 65010563 Subjects--Topical Terms: Communication. LC Class. No.: P87 / .C3 Dewey Class. No.: 006