Everitt, W. L.
Communication engineering - 3rd ed. - New York McGraw-Hill 1956 - xi, 644p. illus. 24 cm.
Telecommunication
623.8 / EVE/1956
Communication engineering - 3rd ed. - New York McGraw-Hill 1956 - xi, 644p. illus. 24 cm.
Telecommunication
623.8 / EVE/1956