Author: "BELL LABORATORIES RECORD
Title: Volume 27, January 1949 to December 1949
Description: Spublisher, "1949. Bell Telephone Laboratories, New York, 1949. 18 pages Index, 464 pages with many illustrations, cloth cover, quart, (stamp inside / slight signs of wear) - Text englisch / complete - Einband: "Leineneinband. 1225

Keywords: "Technik