Author: "THE BELL SYSTEM TECHNICAL JOURNAL
Title: Volume 30, January 1951 to December 1951
Description: Spublisher, "1951. American Telefphone and Telegraph Company, New York, 1951 1255 pages with many illustrations, 32 pages Index, cloth cover, (stamp on itent / slight signs of wear) - Text englisch / complete - Einband: "Leineneinband. 1950

Keywords: "Technik