Communications in the world of the future /

Bibliographic Details
Main Author: Hellman, Hal, 1927-
Format: Book
Language:English
Published: New York : M. Evans ; [1975]
Edition:New rev. ed.
Subjects:
Description
Item Description:Includes index.
Physical Description:186 pages : illustrations ; 22 cm.
Bibliography:Bibliography: pages 179-182.
ISBN:0871311666